Ottmar Hofmann
Ottmar Hofmann was a German entomologist. He is not to be confused with Ernst Hofmann, also an entomologist specialising in Lepidoptera.
Ottmar Hofmann was a physician. As an entomologist, he worked on Microlepidoptera. His collection was sold to Thomas [de Grey, 6th Baron Walsingham] and is now in the Natural [History Museum, London|Natural History Museum (London)].