 | Alvan Clark, born in Ashfield, Massachusetts, the descendant of a Cape Cod whaling family of... more » |
 | Amil Kumar Das was an Indian astronomer. During the International Geophysical Year,... more » |
 | Amy Mainzer is an American astronomer, specializing in astrophysical instrumentation and... more » |
.jpg/200px-2014_Erywań,_Matenadaran_(07).jpg "Anania Shirakatsi") | Anania Shirakatsi was an Armenian mathematician, astronomer and geographer. He is commonly... more » |
 | Anders Celsius was a Swedish astronomer, physicist and mathematician. He was professor of... more » |
 | André Patry was a French astronomer. Patry was orphaned at a young age, and began working at the... more » |
 | André-Louis Danjon was a French astronomer born in Caen to Louis Dominique Danjon and Marie... more » |
| Andrea Boattini is an Italian astronomer, a prolific discoverer of asteroids and comets. After... more » |
| Andrea Di Paola is an Italian astronomer. He works at the Osservatorio astronomico di Roma. He... more » |
| Andrea Mia Ghez is an American astronomer and professor in the Department of Physics and... more » |
| Andreas Gerasimos Michalitsianos Dr. Andreas 'Andy' Gerasimos Michalitsianos was a Greek-American astronomer and a NASA... more » |
 | Andrew Ainslie Common FRS was an English amateur astronomer best known for his pioneering work... more » |
 | Andrew Claude de la Cherois Crommelin 12:28, 6 June 2013 (UTC)12:28, 6 June 2013 ~~ Andrew Claude de la Cherois Crommelin was an... more » |
 | Andrew Fraknoi is an astronomy professor at Foothill College and the 2007 California Professor... more » |
| Andrew Graham, born in County Fermanagh, Ireland, was an Irish astronomer/computer. He... more » |
| Dr. Andrew McKellar was a Canadian astronomer. He was born in Vancouver, British Columbia,... more » |
 | Andronicus of Cyrrhus or Andronicus Cyrrhestes,son of Hermias, was a Macedonian astronomer who... more » |
| Àngel López is a Spanish astronomer. Working with Rafael Pacheco, he has discovered numerous... more » |
 | Father Pietro Angelo Secchi SJ was an Italian astronomer. He was Director of the Observatory at... more » |
| Anlaug Amanda Djupvik is a Norwegian astronomer. Her main field of research is star formation... more » |
.jpg/214px-Anneila_Sargent_at_2017_National_Science_Board_(cropped).jpg "Anneila Sargent") | Anneila Sargent is a Scottish–American astronomer, who specializes in star formation. more » |
 | Annibale de Gasparis was an Italian astronomer. From 1864 to 1889 he was the director of the... more » |
 | Annie Jump Cannon was an American astronomer whose cataloging work was instrumental in the... more » |
 | Annie Scott Dill Maunder, née Russell was an Irish astronomer and mathematician. more » |
 | Anton Maria Schyrleus of Rheita Anton Maria Schyrleus of Rheita was an astronomer and optician. He developed several inverting... more » |
