 | Johann Daniel Titius was a German astronomer and a professor at Wittenberg. Titius was born in... more » |
 | Johann Elert Bode was a German astronomer known for his reformulation and popularization of the... more » |
 | Johann Albrecht Euler was a Swiss-Russian astronomer and mathematician. Also known as Johann... more » |
 | Johann Franz Encke was a German astronomer. Among his activities, he worked on the calculation... more » |
 | Johann Friedrich Julius Schmidt Johann Friedrich Julius Schmidt was a German astronomer and geophysicist. more » |
.png "Johann Georg Hagen") | Johann Georg Hagen, was an Austrian Jesuit priest and astronomer. Naturalized American citizen... more » |
 | Johann Georg Palitzsch was a German astronomer who became famous for recovering Comet 1P/Halley... more » |
 | Johann Georg Repsold was a German astronomer. He joined the fire brigade of Hamburg in 1799. In... more » |
 | Johann Gottfried Galle was a German astronomer from Radis, Germany, at the Berlin Observatory... more » |
 | Johann Heinrich Lambert was a Swiss mathematician, physicist, philosopher and astronomer. He is... more » |
 | Johann Heinrich Westphal was a German astronomer. Not to be confused with J. G. Westphal, who... more » |
| Johann Holetschek was an Austrian astronomer, known for his research on comets. Born in Thuma,... more » |
 | Johann Kies was a German astronomer and mathematician. Born in Tübingen, Kies worked in Berlin... more » |
| Johann Leonhard Rost was a German astronomer and author from Nuremberg. He wrote under the alias... more » |
 | Johann Palisa was an Austrian astronomer, born in Troppau in Austrian Silesia. He was a prolific... more » |
 | Johann Philipp von Wurzelbauer Johann Philipp von Wurzelbauer was a German astronomer. more » |
 | Johann Fabricius, eldest son of David Fabricius, was a Frisian/German astronomer and a... more » |
 | Johannes Franz Hartmann was a German physicist and astronomer. In 1904, while studying the... more » |
.jpg/223px-Johannes_Hevelius(close-up).jpg "Johannes Hevelius") | Johannes Hevelius was a councillor and mayor of Danzig, then part of the Polish-Lithuanian... more » |
 | Johannes Kepler was a German mathematician, astronomer, and astrologer. A key figure in the 17th... more » |
 | John Allen "Jack" Eddy was an American astronomer who published professionally under the name... more » |
| John Asher Johnson is an American astrophysicist and professor of astronomy at Harvard. He was a... more » |
 | John Archibald Wheeler was an American theoretical physicist who was largely responsible for... more » |
| John August Anderson was an American astronomer. He was born in Rollag, a small community in... more » |
| John Bainbridge was an English astronomer and mathematician. more » |
