Peter Andreas Hansen (1795–1874)
Born 1795 CE, died 1874 CE.
Peter Andreas Hansen (born 8 December 1795, Tønder, Schleswig, Denmark; died 28 March 1874, Gotha, Thuringia, Germany) was a Danish-born German astronomer.
Text from the Wikipedia article Peter_Andreas_Hansen, licensed CC BY-SA 4.0.