Willi Hennig, German biologist and entomologist (died 1976)

Willi Hennig

German biologist and zoologist (1913–1976)

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…