Vocation : Science : Astronomy

Julius August Christoph Zech (24 February 1821 Stuttgart, Germany − 13 July 1864 Berg) was a German astronomer and mathematician.
In 1849, Zech published a table of logarithms; as a result, Zech logarithms for finite fields are named after him.
In 1863, Zech attended the founding meeting of the Astronomische Gesellschaft (German Astronomical Society) and became its Vorstand (chairman). Friedrich Wilhelm Argelander assumed this role upon Zech's death..

Richard M. "Dick" Goldstein (born April 1927) is an American radar astronomer and planetary scientist, who has been called "The Father of Radar Interferometry."

Erwin Finlay-Freundlich (German: [ˈfʀɔɪntlɪç]; 29 May 1885 – 24 July 1964) was a German astronomer, a pupil of Felix Klein. Freundlich was a working associate of Albert Einstein and introduced experiments for which the general theory of relativity could be tested by astronomical observations based on the gravitational redshift.

Franz Heinrich Kaiser (25 April 1891 – 13 March 1962) was a German astronomer.He worked at the Heidelberg-Königstuhl Observatory from 1911 to 1914 while working on his Ph.D. there, which he obtained in 1915. During this time, Heidelberg was a center of asteroid discovery, and Kaiser discovered 21 asteroids during his time there.The outer main-belt asteroid 3183 Franzkaiser was named in his memory on 1 September 1993 (M.P.C. 22497).

Heinrich Vogt (October 5, 1890 – January 23, 1968) was a German astronomer.

François J. Terby (9 August 1846 – 20 March 1911) was a Belgian astronomer. He had a private observatory at Leuven, Belgium and was an early ardent advocate of the existence of Martian canals.He collected drawings of Mars and wrote the work Aréographie in 1875. He tracked down the Mars drawings of Johann Hieronymus Schröter and deposited them at Leiden University, where they would eventually finally be published in 1881.
A crater on Mars (Terby) is named after him.

Frédéric Petit (Muret, 1810 – Toulouse, 1865) was a French astronomer. He was the first director of the Toulouse Observatory, located in Toulouse, France, serving from 1838 to 1865. In 1846 he announced that he had discovered a second moon of Earth. The theory was later dismissed by his peers, although the concept of a second smaller satellite of the Earth was used by Jules Verne in his novel From the Earth to the Moon.

Henri Joseph Anastase Perrotin (December 19, 1845 – February 29, 1904) was a French astronomer and a discoverer of minor planets. Some sources give his middle name as Athanase.
In his early career, he and Guillaume Bigourdan were assistants of Félix Tisserand at Toulouse Observatory. Later, he was the first director of the Nice Observatory in Nice, France from 1884 until his death. He made observations of Mars and attempted to determine the rotation period of Venus. He also calculated perturbations in the orbit of 4 Vesta.In the literature, he is sometimes referred to as Henri Perrotin and sometimes as Joseph Perrotin (this is indeed one and the same person). He is also referenced in H.G Well's novel "The War of The Worlds" as "Perrotin of Nice". His 6 asteroid discoveries are credited by the Minor Planet Center to "J. Perrotin".He won the Prix Lalande in 1875 and 1883. The Martian crater Perrotin and the inner main-belt asteroid 1515 Perrotin were named in his honor.