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Astronomers
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17561790s-18111811
a Japanese scientist and optician. Zenbei researched some imported optical instruments, then in 1793, made his first telescope. It had quite a good reputation then he made many telescopes of Galileo type and Kepler type, which widely used among astronomers and feudal rulers. An asteroid 7538 Zenbei was named after him.
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Iwahashi Zenbei17561790
 
18111811

Benjamin Banneker1731, Nov 91753
 
17971806, Oct 9
 a free African American almanac author, surveyor, naturalist and farmer. His knowledge of astrono...
Asada Goryu 1734, Mar 101767
 
17991799, Jun 25
 a Japanese astronomer who helped to introduce modern astronomical instruments and methods into Ja...
Jean-Dominique Cassini1748 Jun 301768
 
18101845, Oct 18
 a French astronomer, he succeeded his father as director of the observatory. He published in 177...
Eise Eisinga1744, Feb 211761
 
18111828, Aug 27
 a Frisian amateur astronomer who built the Eise Eisinga Planetarium in his house in Franeker, Fri...
Honore Flaugergues1755, May 161809
 
18131830, Nov 20/1835, Nov 26
 a French astronomer. He discovered the "Great Comet of 1811" (C/1811 F1), and independently co-di...
William Herschel1738, Nov 151774
 
18201822, Aug 25
 a German-born British astronomer, composer, and brother of Caroline Herschel. His interest in ast...
Jean Baptiste Joseph Delambre1749, Sep 191788
 
18221822, Aug 19
 a French mathematician and astronomer. He was also director of the Paris Observatory, and author ...
Johann Elert Bode1747, Jan 191766
 
18251826, Nov 23
 a German astronomer known for his reformulation and popularization of the Titius–Bode law. Bode...
Joseph von Fraunhofer1787, Mar 61801
 
18261826, Jun 7
 a German optician, known for discovering the dark absorption lines known as Fraunhofer lines in t...
Heinrich Wilhelm Matthaus Olbers1758, Oct 111779
 
18271840, Mar 2
 a German physician and astronomer. Olbers discovered and named the asteroid Pallas. Five years l...
Franz Xaver von Zach1754, Jun 41780
 
18271832, Sep 2
 a Hungarian astronomer born in Pest, Hungary. Zach published Tables of the Sun (Gotha, 1792; new ...
Karl Ludwig Harding1765, Sep 291796
 
18341834, Aug 31
 a German astronomer notable for having discovered the asteroid 3 Juno. In addition to Juno, he di...
Friedrich Wilhelm Bessel1784, Jul 221804
 
18421846, Mar 17
 a German astronomer, mathematician, physicist and geodesist. He was the first astronomer who dete...
Alexis Bouvard1767, Jun 271793
 
18431843, Jun 7
 a French astronomer. He is particularly noted for his careful observations of the irregularities ...
Francis Baily1774, Apr 281799
 
18431844, Aug 30
 an English astronomer. He is most famous for his observations of 'Baily's beads' during an eclips...
Caroline Herschel1750 Mar 161772
 
18461848, Jan 9
 a German British astronomer and the sister of astronomer Sir William Herschel with whom she worke...
Karl Ludwig Hencke1793, Apr 81807
 
18471866, Sep 21
 a German amateur astronomer. He discovered two asteroids from his private observatory at #9, Kiet...
James Dunlop1793, Oct 311810
 
18471848, Sep 22
 a Scottish astronomer, noted for his work in Australia. He served as astronomer's assistant at a ...
Wilhelm Freiherr von Biela1782, Mar 191802
 
18491856, Feb 18
 a German-Austrian military officer and amateur astronomer. In the field of astronomy, he speciali...
William Cranch Bond1789, Sep 91806
 
18501859, Jan 29
 an American astronomer, and the first director of Harvard College Observatory. When he built his ...
Francois Arago1786, Feb 261804
 
18521853, Oct 2
 a French mathematician, physicist, astronomer, freemason, supporter of the carbonari and politici...
Carl Friedrich Gauss1777, Apr 301798
 
18541855, Feb 23
 a German mathematician who contributed significantly to many fields, including number theory, alg...
Christopher Hansteen1784, Sep 261806
 
18611873, Apr 11
 a Norwegian geophysicist, astronomer and physicist, best known for his mapping of Earth's magneti...
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