Answer: Option C.
Step-by-step explanation:
Willi Henig was a German biologist who was born on April 20,1913. It was known as the father of phylogenetic systematics which is also called cladistic. He began work on history of cladistic in 1945 and published it in 1950.
Phylogenetic systematics is a work that build evolutionary history and deals with patterns of which organisms relate with one another.