 | Jean Richer was a French astronomer and assistant at The French Academy of Sciences, under the... more » |
 | Jean-Sylvain Bailly was a French astronomer, mathematician, freemason, and political leader of... more » |
 | Jean-Baptiste Biot was a French physicist, astronomer, and mathematician who established the... more » |
 | Jean-Baptiste Morin, Latinized Morini Villefranche -sur- Saône was born on a date and at an... more » |
 | Jean-Charles Houzeau de Lehaie was a Belgian astronomer and journalist. more » |
 | Jean-Claude Merlin is a French astronomer, founder-president of the Société Astronomique de... more » |
 | Jean-Louis Pons was a French astronomer. Despite humble beginnings and being self-taught, he... more » |
| Jean-Luc Margot is a Belgian-born astronomer and a UCLA professor who specializes in planetary... more » |
| Jeffrey Thomas Alu is an American musician, photographer, graphic artist, and amateur astronomer... more » |
| Jeffrey S. Medkeff, usually known as Jeff Medkeff, was a prominent science writer and educator... more » |
 | Jeremiah Horrocks, sometimes given as Jeremiah Horrox, was an English astronomer. He was the... more » |
| Jeremiah Paul Ostriker is an astrophysicist and a professor of astronomy at Columbia University... more » |
| Jérôme Eugène Coggia was a 19th-century French astronomer. Working in Marseille, he discovered a... more » |
| Jesse Leonard Greenstein was an American astronomer. His parents were Maurice G. and Leah... more » |
 | Jiāo Bǐngzhēn, 1689–1726 was a native of Jining, Shandong who became a noted painter and... more » |
 | Jill Cornell Tarter is an American astronomer and the outgoing director of the Center for SETI... more » |
 | Phillip James Edwin Peebles is a Canadian-American physicist and theoretical cosmologist who is... more » |
| Joanny-Philippe Lagrula was a French astronomer. He was sometimes referred to as "Philippe... more » |
 | Dame Jocelyn Bell Burnell, DBE, FRS, FRAS is a Northern Irish astrophysicist. As a postgraduate... more » |
| Joseph Ivor Silk FRS was the Savilian Chair of Astronomy at the University of Oxford from 1999... more » |
| Joel Hastings Metcalf was an American astronomer. Metcalf graduated from Harvard Divinity School... more » |
| Joel Stebbins was an American astronomer who pioneered photoelectric photometry in astronomy. He... more » |
 | Johan Maurits Mohr was a Dutch-German pastor who studied at Groningen University from 1733 and... more » |
 | Johan Willem Jakob Antoon Stein was a Dutch astronomer and a member of the Society of Jesus. He... more » |
 | Johann Bayer was a German lawyer and uranographer. He was born in Rain, Lower Bavaria, in 1572... more » |
