About Paul Du Chaillu
Paul Belloni Du Chaillu was a French-American traveler, zoologist, and anthropologist. He became famous in the 1860s as the first modern European outsider to confirm the existence of gorillas, and later the Pygmy people of central Africa. He later researched the prehistory of Scandinavia. Bucher presented evidence to back Clodd's view, including records of Du Chaillu's father.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.