Georg Friedrich Wilhelm Rümker (December 31, 1832 – March 3, 1900) was a German astronomer

Born at Hamburg

Hamburg

-History:The first historic name for the city was, according to Claudius Ptolemy's reports, Treva.But the city takes its modern name, Hamburg, from the first permanent building on the site, a castle whose construction was ordered by the Emperor Charlemagne in AD 808...

, he was the son of Carl Ludwig Christian Rümker

Carl Ludwig Christian Rümker

Carl Ludwig Christian Rümker was a German astronomer. In German, his name is spelt Karl Ludwig Christian Rümker; he was also known as Charles Rümker, Charles Rumker, Charles Luis Rumker, Christian Carl Ludwig Rümker and Dr...

. He was astronomer at the observatory

Durham University Observatory

The Durham University Observatory is a weather observatory owned and operated by the University of Durham. It is a Grade II listed building located at Potters Bank, Durham and was founded in 1839 initially as an astronomical and meteorological observatory by Temple Chevallier until 1937 when the...

 at Durham

Durham

Durham is a city in north east England. It is within the County Durham local government district, and is the county town of the larger ceremonial county...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, from 1853 to 1856. He then became assistant at the Hamburger Sternwarte (Hamburg Observatory), then located at Stadtwall, and in 1862 was appointed director. He served as director until his death in 1900. He was succeeded by Richard Schorr

Richard Schorr

Richard Reinhard Emil Schorr , was an astronomer. The lunar crater Schorr and the asteroid 1235 Schorria are named after him....

.

From 1884 he was the Hamburg delegate for the International Earth Measurement.