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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

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Born on the same birth day (20 April): Alan Beith • Alexander Zverev • Beatrice Ask • Charles Plumier • Cornelius Harnett • David Brainerd • Ernie Stautner • Fatin Rüştü Zorlu • Jiří Dienstbier • Jorge Pinto • Joseph Wolpe • Lionel Hampton • Matthias Kuhle • Naftali Temu • Odilon Redon • Peter Chelsom • Philippe Pinel • Viacheslav Fetisov

Born in the same month (April 1913): Antoni Clavé • Charles Vanik • Dave Albritton • Dave Brown (rugby league, born 1913) • Dieter Grau • Diosa Costello • Frances Langford • Irving Adler • Jean Fournet • Keiko Fukuda • Louise Currie • Memos Makris • Norman Parkinson • Per Borten • Philip Abelson • Rose Murphy • Rosemary Lane (actress) • Ruth Smith (artist) • Shannon Boyd-Bailey McCune • Stefan Heym