Trantor is a fictional planet in Isaac Asimov's Foundation Series and Empire series of science fiction novels.

Trantor was first mentioned in Asimov's short story, "Black Friar of the Flame", later collected in The Early Asimov, Volume 1. It was described as a human-settled planet in the part of the galaxy not ruled by an intelligent reptilian race (later defeated). Later, Trantor gained prominence when the 1940s Foundation series first appeared in print (in the form of short stories). Asimov described Trantor as being in the center of the galaxy. In later stories he acknowledged the growth in astronomical knowledge by retconning its position to be as close to the galactic center as was compatible with human habitability. The first time it was acknowledged in novel form was in Pebble in the Sky.[1]

Empire series, Foundation Series location
Created byIsaac Asimov
GenreScience fiction space opera
Notable locationsImperial Palace, Galactic Library, Streeling University, 800 administrative sectors
Notable charactersHari Seldon, Cleon I, Cleon II, Preem Palver, Arkady Darrell

Geography and history

The earlier history of Trantor is recapitulated in The Currents of Space, mentioning the five worlds of the Trantorian Republic growing into the Trantorian Confederation and then Trantorian Empire (evidently modeled on the Roman Republic, originally ruling only part of central Italy, developing into the vast Roman Empire).

At the time when Currents takes place, Trantor controls about half of the worlds in the Galaxy, while the other half is divided into innumerable independent worlds and miniature empires – which naturally makes a Trantorian Ambassador a person of great consequence on any of the still-independent worlds.

Later on, conquest of the entire galaxy made the Galactic Empire, with Trantor as its capital planet, a reality; the planet no longer sending out ambassadors, but only governors to royal subject worlds. This situation had already existed for thousands of years at the time of Pebble in the Sky, the next chronological book on this timeline.

Trantor is depicted as the capital of the first Galactic Empire. Its surface of 194,000,000 km2 (75,000,000 sq mi, approx. 40% of Earth's surface area), implying a radius of around 4000 km (somewhere in between the Earth and Mars),[2] was, with the exception of the Imperial Palace,[3] entirely enclosed in artificial domes.[4]

It consisted of an enormous metropolis (an ecumenopolis) that stretched deep underground, and was home to a population of 45,000,000,000 (45 billion) human inhabitants at its height (although Second Foundation mentions a figure ten times that of administrators alone), a population density of 232 per square kilometre (600 per square mile, similar to the current population density of Germany or Connecticut). Its population was devoted almost entirely to either administration of the Empire or to maintenance of the planet itself, including energy provided by "heatsinks" (geothermal core taps) and production of food via underground farming and yeasts, as described in Prelude to Foundation.

The Encyclopedia Galactica states further on Trantor: "As the centre of the Imperial Government for unbroken hundreds of generations and located, as it was, toward the central regions of the Galaxy among the most densely populated and industrially advanced worlds of the system, it could scarcely help being the densest and richest clot of humanity the Race had ever seen."

A Trantorian day lasted 1.08 Galactic Standard Days.[5]

One of the prominent features of Trantor was the Library of Trantor (variously referred to as the Imperial Library, the University of Trantor Library, and the Galactic Library), in which librarians index the entirety of human knowledge by walking up to a different computer terminal every day and resuming where the previous librarian left off.

Near Trantor were twenty agricultural worlds which supplied food which the world-city could not grow for itself, and the "Summer Planets", where the Emperor went for vacation.[6] Around 260 FE, a rebel leader named Gilmer attempted a coup, in the process sacking Trantor[7] and forcing the Imperial family to flee to the nearby world of Delicass, renamed Neotrantor. After the sack, the population dwindled rapidly from 40 billion to less than 100 million. Most of the buildings on Trantor were destroyed during the sack, and over the course of the next two centuries the metal on Trantor was gradually sold off, as farmers uncovered more and more soil to use in their farms. Eventually the farmers grew to become the sole recognised inhabitants of the planet, and the era of Trantor as the central world of the galaxy came to a close. It began to develop a dialect very different from Galactic Standard Speech, and the people unofficially renamed their planet "Hame", or "home".[8]

As revealed to the reader at the end of Second Foundation, not all these farmers were what they seemed, with the now-rustic Trantor serving as the centre of the Second Foundation. From Trantor, the Second Foundationers secretly guided the development of the Galaxy (roughly parallel to the city of Rome becoming, after the fall of its empire, the headquarters of the Papacy, with its enormous influence on the development of Medieval Europe). Indeed, their self-perception as leaders of the future Second Empire is captured in the Second Foundationers' use of the word "Hamish" to describe the farmers despite reserving for themselves use of the word "Trantorian". It is noted that it was the Second Foundation which ensured that the famed library would survive the sacking of Trantor and the destruction of its urban culture – especially significant, considering that the library was vital to the Second Foundation itself.

In the Asimov canon, where events of this time are depicted mainly from a Foundation perspective, the Fall of Trantor is mentioned only as a piece of faraway news and in various later short references. However, Harry Turtledove attempted to fill in the details in his "Trantor Falls", focusing on the efforts by the Second Foundation to survive during the sacking of Trantor (published in the 1989 Foundation's Friends, where various writers took up the Foundation universe).

Food production

According to the original Foundation Trilogy (1951), Asimov states (by way of the Encyclopedia Galactica), "the impossibility of proper administration ... under the uninspired leadership of the later Emperors was a considerable factor in the Fall." To support the needs and whims of the population, food from twenty agricultural worlds brought by ships in the tens of thousands, fleets greater than any navy ever constructed by the Empire. "Its dependence upon the outer worlds for food and, indeed, for all necessities of life, made Trantor increasingly vulnerable to conquest by siege. In the last millennium of the Empire, the monotonously numerous revolts made Emperor after Emperor conscious of this, and Imperial policy became little more than the protection of Trantor's delicate jugular vein" (Encyclopedia Galactica).[9]

In Prelude to Foundation (1989), Asimov indicates that this was not always so: originally, most of Trantor's basic food needs were fulfilled by Trantor's "vast microorganism farms".[10] Yeast vats and algae farms produced basic nutrients, which were then processed with artificial flavors into palatable food.[11] The subterranean farms, however, depended entirely on care provided by tik-toks (lesser robots), and their destruction following an abortive uprising (chronicled in Foundation's Fear) left the Imperial capital largely dependent upon food brought from other worlds. Hindsight observers might recognize that it was therefore the tik-tok uprising, perhaps more than any other single event, that set the stage for Trantor's sack and the final collapse of the Galactic Empire. Foundation's Edge mentions algae growing on Trantor, which is called a totally inadequate source of food, so it is possible some of the later Emperors attempted to rectify the situation with limited success. Trantor is, of course, again able to produce its own food after the sack by Gilmer, with the increasing amount of usable land as the metal on the surface was removed and sold.


Trantor represents several different aspects of civilization: it is both the center of power in the galaxy and its administrative headquarters. It is also an illustration of what could eventually happen to any urbanized planet. Asimov used the Roman Empire as the creative basis for the Foundation series,[12][13] so Trantor is in some sense based on Rome at the height of the Roman Empire. Trantor also illustrates the mentality of human beings that was first encountered in Asimov's The Caves of Steel, wherein human technology will ultimately result in a complete encapsulation of a population, and that population will eventually suffer psychosis associated with that total encapsulation. Asimov did once say that these encapsulated cities represented the kind of place in which he would like to live (in real life, Asimov was an agoraphobic who spent virtually all his time writing inside his New York City apartment; he seldom travelled and when he did, only by train and never by airplane). He did not even realize how distasteful some people found this until someone asked him about it.

Inspired by Trantor

There have been some serious attempts to illustrate a planet like Trantor in the Star Wars films by George Lucas, the first being Coruscant (which was in some early sources called "Jhantor", in homage to Trantor). Coruscant is one of the more convincing images on screen we have today of Isaac Asimov's conception of the world-girdling city of Trantor. Coruscant is a planet-covering open-air city, while Trantor's buildings are all subterranean or under domes[14] due to worsening weather conditions.[15] Asimov's Trantor thus differs from Coruscant in that Trantor is more practically adapted to inclement weather, although weather control devices are used on both planets. It should be noted that there is a planet called Trantor in the Star Wars universe, and it is also an ecumenopolis and the home of trantor pigeons (and is located in the galaxy's Deep Core).

The planet Helior in Harry Harrison's Bill, the Galactic Hero satirises Trantor, highlighting the problems of atmosphere, waste disposal and navigating about a world-sized city.[16]

In the Runaway series of adventure games, Trantor is home planet of this universe's alien species. However, no connection besides the name are made to the original.

"TrantorCon 23309"[17] was proposed by Larry Niven at Worldcon in 1976.

The Warhammer 40,000 sources mention dead cities upon the quarantine planet of Proxima Trantor.

Weber's World, the administration planet of the United Planets in the Legion of Super-Heroes's time, is said to be in the Trantor system.

Races on Trantor

Although by 22,500 years in the future, there had been much racial intermarriage and most people were multiracial, according to Asimov, in the Galactic Empire as a whole as well as on Trantor itself, there were still some recognizable populations primarily descended from the original races on Earth. What we call Caucasians were called Westerners, what we call East Asians were called Easterners, and what we call Black people were called Southerners. No one could remember why these names were used because no one remembered human origins on Earth.[18]

Administrative sectors

Each planet in the Galactic Empire is divided into administrative sectors. Trantor had over 800, averaging 50,000,000 people each, in 240,000 km2 (93,000 sq mi), about the size of Uganda or the U.S. state of Kansas. The known sectors are:

  • Dahl—One of the poorer sections of Trantor.[19] The main job of the lower class is heatsinking, where workers supervise the conversion of heat from the planet's core directly into electric power by sinking extremely long rods into the inner core of the planet (the three other major sources of electric power were hydroelectric dams on the underground rivers, fusion energy, and solar energy from Trantor's sun, both from rooftop solar arrays and from solar energy satellites orbiting Trantor that beamed microwave energy to the surface); 'heatsinkers' were generally looked down upon by other Dahlites, though they were better paid than anyone in Dahl due to their difficult working conditions. Naturally, most Dahlites hated the Empire and its soldiers (colloquially labelled 'sunbadgers'). Dahlites were dark skinned, black-haired, and fairly short. Dahlite males wore large, thick mustaches, and all carried knives (considered to be primitive weapons). Rather than using 'Mr.', 'Mrs.', or 'Dr.', as forms of address, Dahlites always used 'Master' and 'Mistress' (never 'Doctor'). The name Dahl may be reference to the Indian dalit or untouchable caste. Known Dahlites: Yugo Amaryl, Mother Rittah, Raych Seldon, Jirad and Casilia Tisalver.
    • Billibotton—A slum in Dahl, on the lower level. This was where Mother Rittah lived, and where Hari Seldon and Dors Venabili met their future adoptive son, Raych Seldon. Billibotton was (in)famous for its complete lawlessness. Without the help of Dors, Seldon never would have left it alive.
  • Ery—The sector in which Wanda Seldon and Stettin Palver met Bor Alurin.
  • Imperial—The sector in which the Imperial Palace and the Galactic Library lie. When Seldon first visited Trantor to deliver his speech at the Decennial Convention, fashion in the sector called for bold, bright colors and wearing hats without chinstraps. According to Asimov, many of the inhabitants of this sector were tall Northerner yellowhairs, implying that they were people of what we call Nordic ancestry.
  • Mandanov
  • Millimaru—The sector Raych claimed to be (and maybe was) born in when he infiltrated the Joranumite movement.
  • Mycogen— As Asimov explains in Prelude to Foundation,[10] their name is formed from the Greek stems myco- (meaning 'yeast' or other types of fungi) and -gen (meaning 'maker' or 'producer'), which matches the description of Mycogen as specialized in breeding and exporting yeast, or "microfood", to other portions of Trantor. It kept the best for itself; the food eaten by Seldon in Mycogen was the best he had ever had on Trantor. Mycogenians were descendants of the ancient Spacer world Aurora and lamented the loss of their ancient homeworld and culture, including robots. They lived by a strict religion they considered to be 'history'. The scripture of the Mycogenians mentions Aurora, robots, and other topics, and during the events of Prelude to Foundation Hari Seldon found a long-inactive robot, which was revered by the Mycogenians. The 'high priest' was the leader of the council of elders, the government of Mycogen. During an adolescent rite of passage, all Mycogenians were completely depilated, so they could differentiate between themselves and non-Mycogenians. Because hair is considered so repulsive, most Mycogenians are repelled by its appearance and rare foreign visitors must wear skincaps at all times. The sight and feel of hair was considered similar to pornography by Mycogenians. By tradition they usually wear a cloak called a 'kirtle'; men always wear a white kirtle, women a gray one. Mycogenian names are organised by 'cohort', and individuals are numbered as part of a series. Known Mycogenians: Mycelium 72, Raindrop 43, Raindrop 45, Sunmaster 14, Skystrip 2.[20]
  • Nevrask— One of the last sectors to hold out against Gilmer during the Great Sack
  • North Damiano— A sector with a prominent University, involved in co-operative Nephelometry with Streeling University. North Damiano University operates Jet-downs equipped with sensory electronics.
  • Streeling—At the time Hari Seldon first arrived on Trantor, fashions in Streeling were not quite so boldly colorful as in the Imperial Sector. It was the site of Streeling University,[21] a prestigious university noted for being almost completely out of the hands of the Empire. It later gained fame for housing Hari Seldon and his "Seldon Psychohistory Project".
  • Wye—The ancient Dacian Dynasty of Emperors are the direct ancestors of the hereditary Mayoralty of the sector of Wye. Located by the South Pole, Wye exercised a good deal of political power, because it was the site where excess heat across the planet was released. If it shut down those systems, the heat would build up and destroy Trantor. During the time of Seldon's flight, Wye was preparing an army for a coup. This action was stopped by Eto Demerzel, and the military of Wye disbanded. Known Wyans: Mayor Mannix IV, Mayor Rashelle I.
  • Ziggoreth— A sector with a prominent University. Ziggoreth University is involved in co-operative Nephelometric research with Streeling University, and operates Jet-downs equipped with sensory electronics.

Retroactive continuity

  • In the original Foundation Trilogy, there is no indication of Trantor being divided among wildly diverse cultures; likewise, the surface is described as covered with towers rather than domes. Its depiction in Prelude to Foundation and Forward the Foundation may be considered another example of retconning.
  • Although some have been confused by the apparent conflict between Trantorian self-sufficiency in terms of food supply in Prelude and the subsequent characterization in Encyclopedia Galactica of the planet as dependent upon twenty agricultural worlds for food, there is no conflict. Prelude depicts an earlier period of Imperial history, and as subsequently explained in Foundation's Fear, the food situation on Trantor changed precisely because its subterranean farms were shut down in the wake of the abortive tik-tok rebellion. That book directly establishes that it was this decision that made Trantor dependent on the produce of twenty agricultural worlds—ironically, the same worlds over which Neotrantor would hold its last, feeble sway.


  1. ^ Pebble in the Sky By Isaac Asimov, page 27
  2. ^ The Foundation Trilogy By Isaac Asimov, page 13
  3. ^ Foundation and Empire By Isaac Asimov, page 73
  4. ^ Note reference to domes in the "Product Description"
  5. ^ Foundation's Edge By Isaac Asimov, page 98
  6. ^ Foundation and Empire
  7. ^ Turtledove, Harry. "Trantor Falls". Foundation's Friends, edited by Martin H. Greenberg. Tor, 1989.
  8. ^ Foundation's Edge By Isaac Asimov, page 79
  9. ^ The Foundation Trilogy by Isaac Asimov, page 13
  10. ^ a b Prelude to Foundation by Isaac Asimov, page 62
  11. ^ Prelude to Foundation by Isaac Asimov, page 61
  12. ^ Sf: the Other Side of Realism By Thomas Clareson, page 344
  13. ^ The Science Fiction of Isaac Asimov By Joseph F. Patrouch, page 117
  14. ^ Prelude to Foundation By Isaac Asimov, page 118
  15. ^ Prelude to Foundation By Isaac Asimov, page 110
  16. ^ The Greenwood Encyclopedia of Science Fiction and Fantasy: Themes, Works and Wonders Volume 1 Ed. Gary Westfal, page 108
  17. ^ Playgrounds of the Mind
  18. ^ Prelude to Foundation
  19. ^ Prelude to Foundation By Isaac Asimov, page 259
  20. ^ Prelude to Foundation By Isaac Asimov, page 29
  21. ^ Prelude to Foundation By Isaac Asimov, page 47
Arkady Darell

Arcadia "Arkady" Darell is a fictional character in Isaac Asimov's Foundation Series. She appears in Second Foundation. She is the daughter of Toran Darell II and the granddaughter of Toran and Bayta Darell (and through Bayta is a direct descendent of Hober Mallow), and becomes famous for writing historical novels and a biography of her grandmother Bayta.

At the age of fourteen, she spies on her father and his co-conspirators who are hunting down the Second Foundation. She stows away on Homir Munn’s spaceship when he travels to Kalgan to study the palace of the Mule. Lord Stettin, who is the ruler of Kalgan, initially refuses Munn’s request to study the Mule’s palace, but soon takes an interest in Arkady as a potential wife. Stettin’s mistress Lady Callia helps Arkady to escape, accidentally revealing herself to be an agent of the Second Foundation and leading Arkady to the location of the Second Foundation.

During her escape, Arkady decides to go to Trantor rather than Terminus. She has the good luck of running into Preem Palver and his wife, who live on Trantor. They help her in her journey, and when they arrive on Trantor, Arkady persuades Palver that he could profitably supply food to Terminus. Palver takes Arkady's clue to the Second Foundation's location; however, the Second Foundation has been carefully supervising the entire process, and they remain undiscovered on Trantor.

Cleon I

Cleon I is a character in the fictional universe of Isaac Asimov's Foundation Series. He was the last Emperor of the Entun dynasty (11,988 GE – 12,038 GE in the timeline of the novels). He was Emperor of the Galactic Empire when Hari Seldon first arrived on Trantor. He succeeded to the Imperial throne in 12,010 GE at the age of twenty-two following the death of his father, Stanel VI, who was fortunate enough to escape the roughly one-in-two chances of assassination faced by the last century of Galactic Emperors.

Asimov portrays Cleon as an amiable man, no longer enthusiastic about the trappings of office, eager to treat others as his equals and yet not capable of conversing comfortably—or even understanding their motivations. In his genial but misguided well-wishing, he is similar to the portrayal of Austrian emperor Joseph II in Amadeus (a film which Asimov admired), although he is not very similar to the historical Joseph II.


Coruscant () is an ecumenopolis planet in the fictional Star Wars universe (in the Coruscant Subsector of the Corusca Sector of the Core Worlds). It first appeared onscreen in the 1997 Special Edition of Return of the Jedi, but was first mentioned in Timothy Zahn's 1991 novel Heir to the Empire. Coruscant was historically referred to as Notron or Queen of the Core; was renamed Imperial Center during the reign of the Galactic Empire (as depicted in the original films) and Yuuzhan'tar during the Yuuzhan Vong invasion (as depicted in the New Jedi Order novel series). The planet's capital city was initially Galactic City (built at least in 100,000 BBY, partially destroyed in 27 and 44 ABY); under the Galactic Empire this was Imperial City, and was Republic City or the City Of Spires under the Galactic Republic. The planet was code-named Triple Zero during the Clone Wars. The demonym and adjective form of the planet name is Coruscanti.

Coruscant is the sixth planet out of 11 planets in the Coruscant System: (Revisse (Venus type), Platoril (Mercury type), Vandor-1 (Mercury type), Vandor-2 (Mercury type), Vandor-3 (Earth type), Coruscant (Trantor type), Muscave (Jupiter type), Stentat (Jupiter type), Improcco (Pluto type), Nabatu (Eris type) and Ulabos (Pluto Type). Coruscant has four moons; Centax-1, Centax-2, Centax-3, and Hesperidium. Beyond the system's planets was the OboRin Comet Cluster (Oort Cloud type), and in between Improcco and Nabatu was an asteroid belt (The Covey). The sun was called Coruscant Prime.

Coruscant serves as the nexus of socio-economic, cultural, intellectual, political, military, and foreign policies activity within the Star Wars galaxy; at various times, it is the central capital of these governing bodies: the Republic, the Galactic Empire, the New Republic, the Yuuzhan Vong Empire, the Galactic Federation Of Free Alliances (Galactic Alliance), the Fel Empire, Darth Krayt's Galactic Empire, and the Galactic Federation Triumvate. The planet's strategic position relative to the galactic center, a population of 2 trillion sentients approx, and control over the galaxy's main trade routes and hyperspace lanes — Perlemian Trade Route, Hydian Way, Corellian Run and Corellian Trade Spine — that must converge and pass through Coruscant space, cemented its status as the richest and most influential habitable world in the Star Wars galaxy.

Dagobert IX

Emperor Dagobert IX is a fictional character from Isaac Asimov's Foundation and Empire. He is one of the last emperors of the Galactic Empire (it is unlikely he was the last, since that would have required him to live to the age of approximately 120).

He fled the Great Sack of Trantor along with his family in 260FE and moved the capital planet to Delicass, which was renamed Neotrantor. Neotrantor was about three parsecs from Trantor.

When visited upon by Ebling Mis, Toran and Bayta Darell, and the Mule, Dagobert IX was described as old and detached from reality, still reminiscing about imperial times long gone. Nevertheless, after he gave permission to Elbling Mis to use the Great Library of Trantor, he made a dignified impression as befits a Galactic emperor.

His son, the crown prince Dagobert, tried to conspire under the influence of the corrupt governor Jord Commason. The crown prince was killed by the Mule with the help of a Visi-sonor.

The reason why Asimov gave this character the name Dagobert is not too clear, but it is likely a reference to Frankish kings of the Merovingian dynasty.


Ecumenopolis (from Greek: οἰκουμένη oecumene, meaning "world", and πόλις polis "city", thus "a city made of the whole world"; pl. ecumenopolises or ecumenopoleis) is the hypothetical concept of a planetwide city. The word was invented in 1967 by the Greek city planner Constantinos Doxiadis to represent the idea that in the future urban areas and megalopolises would eventually fuse and there would be a single continuous worldwide city as a progression from the current urbanization, population growth, transport and human networks. This concept was already current in science fiction in 1942, with Trantor in the Foundation series. When made public, Doxiadis' idea of ecumenopolis seemed "close to science fiction", but today is "suprisingly pertinent" according to geography researchers Pavle Stamenovic, Dunja Predic & Davor Eres, especially as a consequence of globalisation and Europeanisation.

Doxiadis also created a scenario based on the traditions and trends of urban development of his time, predicting at first a European eperopolis ("continent city") which would be based on the area between London, Paris, Rhine-Ruhr and Amsterdam. In 2008, the TIME coined Nylonkong to link New York City, London, and Hong Kong as the eperopolis of the Americas, Euro-Africa and Asia-Pacific.Before the term had been created, the concept had been previously discussed. The American religious leader Thomas Lake Harris (1823–1906) mentioned city-planets in his verses, and science fiction author Isaac Asimov used the city-planet Trantor as the setting of some of his novels. In science fiction, the ecumenopolis has become a frequent topic and most recently popularized by the planet Coruscant in the Star Wars universe. The concept has been explored in the video game Stellaris, where players are given the option of transforming a planet into a Ecumenopolis, providing large amounts of resources to the civilization who controls it.

Ernest Scared Stupid

Ernest Scared Stupid is a 1991 American comedy horror film directed by John R. Cherry III and starring Jim Varney. It is the fifth film to feature the character Ernest P. Worrell. It has him accidentally unleashing an army of trolls upon a small town on Halloween and the plot involves him joining a few children in fighting back. It was shot in Nashville, Tennessee like its predecessors Dr. Otto and the Riddle of the Gloom Beam, Ernest Goes to Camp, Ernest Saves Christmas, and Ernest Goes to Jail.

Due to its modest gross of $14,143,280 at the U.S. box office, it was the final Ernest film to be released under the Disney label Touchstone Pictures. All future Ernest films were independently produced, and following the financial failure of the theatrical release Ernest Rides Again, the Ernest films shifted to a straight-to-video market.

Its opening credits feature a montage of clips from various horror and science fiction films, including Nosferatu (1922), White Zombie (1932), Phantom from Space (1953), The Brain from Planet Arous (1957), The Screaming Skull (1958), Missile to the Moon (1958), The Hideous Sun Demon (1958), The Giant Gila Monster (1959), The Killer Shrews (1959), Battle Beyond the Sun (1959), and The Little Shop of Horrors (1960).

Foundation's Fear

Foundation's Fear (1997) is a science fiction novel by American writer Gregory Benford, set in Isaac Asimov's Foundation universe. It is the first book of the Second Foundation trilogy, which was written after Asimov's death by three authors, authorized by the Asimov estate.

Foundation and Empire

Foundation and Empire is a science fiction novel by American writer Isaac Asimov originally published by Gnome Press in 1952. It is the second book in the Foundation Series, and the fourth in the in-universe chronology. It takes place in two parts, originally published as separate novellas. The second part, "The Mule", won a Retro Hugo Award in 1996.

Foundation and Empire saw multiple publications—it also appeared in 1955 as Ace Double (but not actually paired with another book) D-125 under the title The Man Who Upset the Universe. The stories comprising this volume were originally published in Astounding Magazine (with different titles) in 1945. Foundation and Empire was the second book in the Foundation trilogy. Decades later, Asimov wrote two further sequel novels and two prequels. Later writers have added authorized tales to the series. The Foundation Series is often regarded as one of Isaac Asimov's best works, along with his Robot series.

Foundation series

The Foundation series is a science fiction book series written by American author Isaac Asimov. For nearly thirty years, the series was a trilogy: Foundation, Foundation and Empire, and Second Foundation. It won the one-time Hugo Award for "Best All-Time Series" in 1966. Asimov began adding to the series in 1981, with two sequels: Foundation's Edge, Foundation and Earth, and two prequels: Prelude to Foundation, Forward the Foundation. The additions made reference to events in Asimov's Robot and Empire series, indicating that they were also set in the same fictional universe.

The premise of the series is that the mathematician Hari Seldon spent his life developing a branch of mathematics known as psychohistory, a concept of mathematical sociology. Using the laws of mass action, it can predict the future, but only on a large scale. Seldon foresees the imminent fall of the Galactic Empire, which encompasses the entire Milky Way, and a dark age lasting 30,000 years before a second great empire arises. Seldon's calculations also show there is a way to limit this interregnum to just one thousand years. To ensure the more favorable outcome and reduce human misery during the intervening period, Seldon creates the Foundation – a group of talented artisans and engineers positioned at the twinned extreme ends of the galaxy – to preserve and expand on humanity's collective knowledge, and thus become the foundation for the accelerated resurgence of this new galactic empire.

Galactic Empire (Isaac Asimov)

The Galactic Empire is an interstellar empire featured in Isaac Asimov's Robot, Galactic Empire, and Foundation series. The Empire is spread across the Milky Way galaxy and consists of almost 25 million planets settled exclusively by humans. It had a total population of 500 quintillion. For over 12 millennia the seat of imperial authority was located on the ecumenopolis of Trantor, whose population exceeded 40 billion, until it was sacked in the year 12,328. The official symbol of the empire is the Spaceship-and-Sun. Cleon II was the last Emperor to hold significant authority. The fall of the empire, modelled on the fall of the Roman Empire, is the subject of many of Asimov's novels.

Hari Seldon

Hari Seldon is a fictional character in Isaac Asimov's Foundation series. In his capacity as mathematics professor at Streeling University on the planet Trantor, Seldon develops psychohistory, an algorithmic science that allows him to predict the future in probabilistic terms. On the basis of his psychohistory he is able to predict the eventual fall of the Galactic Empire and to develop a means to shorten the millennia of chaos to follow. The significance of his discoveries lies behind his nickname "Raven" Seldon.

In the first five books of the Foundation series, Hari Seldon made only one in-the-flesh appearance, in the first part of the first book (Foundation), although he did appear at other times in pre-recorded messages to reveal a Seldon Crisis. After writing five books in chronological order, Asimov went back with two books to better describe the initial process. The two prequels—Prelude to Foundation and Forward the Foundation—describe his life in considerable detail. He is also the central character of the Second Foundation Trilogy written after Asimov's death (Foundation's Fear by Gregory Benford, Foundation and Chaos by Greg Bear, and Foundation's Triumph by David Brin), which are set after Asimov's two prequels.

Janov Pelorat

Janov Pelorat is a character in the Foundation Series of books by Isaac Asimov. The two books in which he appears are Foundation's Edge and Foundation and Earth.

Pelorat is a professor of ancient history who has spent his entire life on his obsession of finding Earth, the mythical planet of human origin. He has a particular interest in myths and folklore. Janov's interest in Earth began when, at age fifteen during some indisposition, he was given a book of legends about the origin of humanity. On Terminus, Janov has collected a massive amount of data regarding the Origin Question, and is Terminus' foremost expert regarding Earth.

Janov Pelorat first appears in Foundation's Edge. He is described as white-haired, of average height and weight, and moves without haste and speaks with deliberation. He is 52 years of age but appears considerably older. He has been married in the past, and has a housekeeper named Kloda.Unusual for a historian of the futuristic society he belongs to, at the time he is first mentioned, he has never left the planet Terminus. Therefore, in addition to the resources available to him from the Terminus University Library, he makes use of interlibrary loans. Such loans can make use of "hyper-radiational signals", which are not described in the stories but appear to refer to a method of transmitting information over vast distances at speeds faster than light.When he is first described, he is beginning his first sabbatical and hoping to travel off planet for the first time. His goal is the planet Trantor, which was capital of the First Galactic Empire and the home of the Galactic Library (also known as the Library of Trantor, the Imperial Library, and the University of Trantor Library), which during the heights of the First Galactic Empire was the largest repository of reference material in the galaxy. No member of the Foundation has been to Trantor in 120 years.In the beginning of Foundation's Edge the Mayor of the Foundation notices Pelorat's existence for the first time and promises him that she will arrange for him to travel to Trantor. The Mayor informs him that he will travel to Trantor with the exiled councilman Golan Trevize.

Upon leaving Terminus on the small space ship Far Star, he and Golan Trevize begin their search for Earth. With only the two of them on board, Golan Trevize informs Pelorat that, as pilot and the person in control of the ship, he has decided they will not to go to Trantor but instead to seek out Earth directly with the information they already have.Instead of finding Earth, by way of the planet Sayshell, they find Gaia, a world which has developed a group consciousness, and is rumored to have destroyed any ships that have been sent to it. While on Gaia, Janov falls in love with a member of Gaia, Bliss. It is these three characters, Golan, Janov, and Bliss, with the addition of Fallom that continue the search for Earth in Foundation and Earth.

Library of Trantor

The Library of Trantor was one of the prominent features of the fictional planet Trantor, created by Isaac Asimov and appearing in his Empire series and the Foundation series. Located in the Imperial Sector of the planet, it was variously referred to as the Imperial Library of the Galactic Empire, the University of Trantor Library, and the Galactic Library, in which librarians index the entirety of human knowledge by walking up to a different computer terminal every day and resuming where the previous librarian had left off.

Around 260 FE, a rebel leader named Gilmer attempted a coup, in the process sacking Trantor and forcing the Imperial family to flee to the nearby world of Delicass, renamed Neotrantor. After the sack, the population dwindled rapidly from 40 billion to less than 100 million. Most of the buildings on Trantor were destroyed during the sack, and over the course of the next two centuries the metal on Trantor was gradually sold off, as farmers uncovered more and more soil to use in their farms. Eventually the farmers grew to become the sole recognized inhabitants of the planet, and the era of Trantor as the central world of the galaxy came to a close. It began to develop a dialect very different from Galactic Standard Speech, and the people unofficially renamed their planet "Hame", or "home."As revealed to the reader at the end of Second Foundation, not all these farmers were what they seemed, with the now-rustic Trantor serving as the centre of the Second Foundation. From Trantor, the Second Foundationers secretly guided the development of the Galaxy (roughly parallel to the city of Rome becoming, after the fall of its empire, the headquarters of the Papacy, with its enormous influence on the development of Medieval Europe). Indeed, their self-perception as leaders of the future Second Empire is captured in the Second Foundationers' use of the word "Hamish" to describe the farmers despite reserving for themselves use of the word "Trantorian." It is noted that it was the Second Foundation which ensured that the famed library would survive the sacking to Trantor and the destruction of its urban culture – especially significant, considering that the library was vital to the Second Foundation itself.

List of Foundation series characters

This is a list of characters in Isaac Asimov's Foundation series.

List of Foundation universe planets

This is a list of Foundation universe planets featured or mentioned in the Robot series, Empire series, and Foundation series created by Isaac Asimov.

Preem Palver

Preem Palver is a fictional character, part of Isaac Asimov's Foundation Series. Palver is portrayed as a rather loud and jolly simple farmer. However, in reality he is the mastermind behind the plot to restore Hari Seldon's plan to its original course after the disruption by the Mule. This required meticulous planning, giving the Foundation a believable solution to the enigma of the Second Foundation. Preem Palver is the nineteenth First Speaker of the Second Foundation and direct descendant of Stettin Palver, another character in the Foundation universe. (In fact, Palver's name seems to mean "First Speaker"; Preem sounds like prime and Palver sounds like palaver. This is probably meant as a foreshadowing hint to the reader, since his identity as First Speaker is not revealed until the last sentence of Second Foundation.)

Raych Seldon

Raych Seldon is a fictional character in Isaac Asimov's Foundation Series. Raych is the adopted son of Hari Seldon and Dors Venabili, the primary characters in the first two books of the series. He lived in the slums of Billibotton, part of Dahl, on the world of Trantor.

He married Manella Dubanqua, an undercover security officer who helped prevent an assassination attempt on Hari Seldon. They had two daughters, Wanda and Bellis.

Yugo Amaryl

Yugo Amaryl is a fictional character in Isaac Asimov's Foundation series. Amaryl, along with Hari Seldon, worked on psychohistory until his death at age 52.

Asimov fleshes-out the character's origins in Prelude to Foundation (1988). Amaryl was born on Trantor in the Dahl sector. He worked as a "heatsinker", one of many people tending the vast subterranean operations that generate energy from heat in the deep recesses of the planet. The work was hard, hot and did not require great intelligence. These menial workers tended to be ostracized by those not forced to work underground.

Amaryl managed to discover and study mathematics with the help of a friendly librarian. He met Seldon when the latter visited the heatsink complex out of curiosity whilst fleeing from Eto Demerzel and living in Dahl. Seldon immediately recognized and fostered Amaryl's innate mathematical abilities and was able to get him into University. He eventually gained a doctorate and became Seldon's closest and most trusted co-worker. Amaryl's devotion to his work would be his undoing, giving him an early death from overwork.

Yugo Amaryl…..Physicist and Mathematician. He is in the position after Seldon in his Psychohistorical contribution for Future Developments. Himself……

He started his life dramatically in Dahl Sector more than his contribution in Psychohistory. He had born in extremely poor in Dahl Sector of Trantor. His life may pass as a very simple person, if unfortunately he did not meet with Hari Seldon………

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