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Willi Hennig

Willi Hennig
Willi Hennig, German biologist and entomologist (d. 1976)

Emil Hans Willi Hennig was a German biologist and zoologist who is considered the founder of phylogenetic systematics, otherwise known as cladistics. In 1945 as a prisoner of war, Hennig began work on his theory of cladistics, which he published in German in 1950, with a substantially revised English translation published in 1966. With his works on evolution and systematics he revolutionised the view of the natural order of beings. As a taxonomist, he specialised in dipterans.

20 April 1913

Born on the same birth date (20 April 1913): Mimis Fotopoulos

Born on the same birth day (20 April): Adolf SchärfAlan Arnett McLeodAllan HoustonCarmen ElectraDaniel VaroujanJames HarcourtJohannes AgricolaKonstantin LavronenkoMassimo D'AlemaMiran BakhshNasiba ZeynalovaPhil HillRenata of LorraineRichard HillaryRita Dionne-MarsolaisRyan O'NealSebastian FaulksWop May

Born in the same month (April 1913): Diosa CostelloJean FournetKeiko FukudaKermit TylerLouise CurrieMimis FotopoulosNikolaos RoussenNorman ParkinsonPer BortenRosemary Lane (actress)Ruth Smith (artist)Stefan Heym