Wilhelm Gotthelf Lohrmann

Wilhelm Gotthelf Lohrmann ( born January 31, 1796 in Dresden, † February 20, 1840 ) was a German surveyor, cartographer, astronomer and meteorologist.

Life

Wilhelm Gotthelf Lohrmann was born as a son of the Council brick master in Dresden, where he also attended the Garrison School. After leaving school he completed her studies in architecture at the building of the General Art Academy of Malerey, sculptor - art, engraver and architecture.

As a nineteen- year-old man turned himself Lohr to geodesy and became life members of the Royal Saxon Kameralvermessungsanstalt. A short time later, he also started the independent scientific activity as an amateur astronomer, but he came to insights that gained worldwide importance in astronomy.

In 1827, Lohrmann was Inspector General of the Mathematics and Physics Salon in Dresden. In this capacity, he sat down significantly for the 1828 was the opening of the Technical School, the forerunner of today's University of Technology Dresden, a. The Lohrmann Observatory this University and a street in Dresden are named after him.

On January 1, 1840 Lohrmann was appointed director of the Kameralvermessungsanstalt, but he died on February 20, from typhoid fever. His grave is located on the historic Elias Cemetery in Dresden.

Map of the moon

From 1825 he began mapping the Moon, from which he was able to publish only four leaves until his death. The map of the moon "moon -lip in 25 autopsies " was completed by Johann Friedrich Julius Schmidt and published under the name of Wilhelm Gotthelf Lohrmann 1877.

Souvenirs and honors

In the district of Dresden Rähnitz a sandstone column with a relief plaque commemorates the fact of the work of Lohr 's as a surveyor. The column marks the northernmost point of its measurement system.

At the TU Dresden Lohrmann the Institute for Geodetic Astronomy was established in 1961. Since 1968 it is located as Lohrmann Observatory, Dresden University of Technology in the tower of the Beyer -Bau. In Lohrmann Observatory is inter alia to a collection of astronomical and geodetic instruments, the oldest exhibits date back to 1830.

Since the 1960s, the TU Dresden Lohrmann gives the medal to the best graduates of a faculty.

The lunar crater Lohrmann is named after him.

Works

  • Topography of the visible lunar surface. Leipzig 1824
  • Map of the Moon. Mean libration. Leipzig 1839
  • The planetary system of the Sun. Dresden 1822 ( with three cards )
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