Milestone: outliving Willi Hennig.
Emil Hans Willi Hennig was a German biologist and zoologist who is considered the founder of phylogenetic systematics, otherwise known as cladistics.
Facts: Wikidata and Wikipedia. Ages are calculated, not estimated.
Enter your birthday to see the last milestones you passed. Free – we keep your birthday only if you sign up, and your next milestone comes as a surprise.