Oskar Augustus Johannsen, Date of Birth, Place of Birth, Date of Death
TweetOskar Augustus Johannsen
entomologist
Date of Birth: 14-May-1870
Place of Birth: Davenport, Iowa, United States
Date of Death: 07-Nov-1961
Profession: entomologist
Nationality: United States
Zodiac Sign: Taurus 
About Oskar Augustus Johannsen
- Oskar Augustus Johannsen (14 May 1870, Davenport, Iowa – 7 November 1961, Ithaca, New York), was an American entomologist who specialised in Diptera.
- Johannsen earned degrees from the University of Illinois and Cornell University.
- He taught civil engineering at Cornell from 1899 to 1909, entomology at the University of Maine from 1909 to 1912, and entomology at Cornell from 1912 to 1938.
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