Walter Hackman

Walter Hackman (10 October 1916 – 8 March 2001) was a Finnish entomologist who specialized in the Lepidoptera and Diptera.

Hackman was born in Helsinki and went to school in Läroverket för gossar och flickor where he was influenced by the biology teacher Rolf Krogerus who was also an entomologist.

At school he took an interest in the lepidoptera and he joined the University of Helsinki in 1934 to study zoology and botany.

He received his master's degree in zoology in 1940 and was conscripted into World War II.

Of the flies he studied the families Drosophilidae, Scatophagidae, Sphaeroceridae and Hippoboscidae of Finland.