Muriel Mussells Seyfert
Muriel E. Mussells Seyfert (born Muriel Elizabeth Mussells, 3 February 1909 – 9 November 1997) was an American astronomer best known for discovery of "ring nebulae" ( planetary nebulae) in the Milky Way while working at the Harvard College Observatory in 1936.
Muriel was born on 3 February 1909 in
Danvers, Massachusetts, the daughter of George and Stella Mussells.
 Scientific contributions
Mussells Seyfert was employed as a human
computer at the Harvard College Observatory. She is best known for discovery of new ring nebulae in the Milky Way.
 Personal life
Sylvia Mussells Lindsay, wife of
Eric Mervyn Lindsay, was Muriel's sister. In May 20, 1935, she married Carl Keenan Seyfert after whom the  Seyfert galaxies and the Seyfert's Sextet were named. The couple had two children.
McFarland, John (1 February 2004). "A modern vision: Eric Lindsay at Armagh". Oxford Journal. 45 (1): 18–22. ISSN 1468-4004.
Fuller, Wesley. "Muriel E. Mussells Seyfert (b. 1909)". SIA Collections. Smithsonian Institution Archives . Retrieved . 20 December 2014
"Eric Mervyn Lindsay". Lindsay's International . Retrieved . 27 March 2015
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