The Willi Hennig reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Willi Hennig

Willi Hennig (April 20, 1913 - November 5, 1976) was a German biologist and is known as the founder of phylogenetic systematics (cladistics).

External link

• http://www.cladistics.org/about/hennig.html

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