 | Dr. John Alfred Brashear was an American astronomer and instrument builder. more » |
 | John Broughton is an Australian astronomer. He is a prolific discoverer of asteroids. His... more » |
.jpg/254px-John_Mather_(cropped).jpg "John C. Mather") | John Cromwell Mather is an American astrophysicist, cosmologist and Nobel Prize in Physics... more » |
 | Jack C. Bennett (1914 - 1990) was a South African amateur astronomer who is best known for... more » |
 | John Campbell Brown FRSE is an astronomer, former Regius Professor, now Emeritus at University... more » |
| John Anthony Carroll was a British astronomer and physicist. In the 1920s he worked at the Solar... more » |
 | John Couch Adams FRS was a British mathematician and astronomer. Adams was born in Laneast, near... more » |
| John Lowry Dobson was an amateur astronomer and is best known for the Dobsonian telescope, a... more » |
 | John Evan Baldwin FRS worked at the Cavendish Astrophysics Group from 1954. He played a pivotal... more » |
| John Evershed FRS was an English astronomer. He was the first to observe radial motions in... more » |
.jpg/239px-John_Flamsteed_(Gemälde).jpg "John Flamsteed") | John Flamsteed FRS was an English astronomer and the first Astronomer Royal. He catalogued over... more » |
| John Francis Skjellerup was an Australian who spent about a decade working as a telegraphist in... more » |
 | John Gatenby Bolton FRS was a British-Australian astronomer from Sheffield, England. He attended... more » |
| John Goodricke FRS was an English amateur astronomer. He is best known for his observations of... more » |
| John Grigg was a New Zealand astronomer. He was born in London and married Emma Mitchell in... more » |
.png/231px-John_Herschel_1846_(cropped).png "John Herschel"){kind=spacer} | Sir John Frederick William Herschel, 1st Baronet, KH, FRS was an English mathematician,... more » |
| J-John Kavelaars, better known as JJ Kavelaars, is a Canadian astronomer who was part of a team... more » |
| John Jackson was a Scottish astronomer. Born in Paisley, Renfrewshire, Scotland, he was educated... more » |
| John Keith Davies more » |
 | John Louis Emil Dreyer was a Danish-Irish astronomer. more » |
 | John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of... more » |
 | John Macon Thome was an American-Argentine astronomer. Some sources say John Macom Thome. He is... more » |
 | John Machin, a professor of astronomy at Gresham College, London, is best known for developing a... more » |
 | John Martin Schaeberle was a German-American astronomer. more » |
| John Michell was an English clergyman and natural philosopher who provided pioneering insights... more » |
