| Name: | Carl E d u a r d Johannes Hahn ♂ |
| born: | 7 August 1856 in Lübeck |
| died: | 24 February 1928 in Berlin |
| occupation: | Privatdozent, Professor an der Landwirtschaftl. HS Berlin |
| Father: Mother: | G e o r g Carl Hahn ♂ (1822 - 1895) Anna Elisabeth P a u l i n e Voigt ♀ (1832 - 1900) |