Otto Ammon (1842 in Karlsruhe - 1916 ibid.) was a German engineer and journalist as well as a private scholar. He conducted statistical surveys and is considered the founder of social anthropology in Germany.
Ammon, Otto. "Die Gesellschaftsordnung und ihre natürlichen Grundlagen". Jena: Gustav Fischer, 1896. 8°. 262 S. OBrosch.