From Wikimedia Commons under CC-BY 2.0 license

William Henry Flower

Sir William Henry Flower KCB FRCS FRS (30 November 1831 – 1 July 1899) was an English comparative anatomist and surgeon.
Flower became a leading authority on mammals, and especially on the primate brain. He supported Thomas Henry Huxley in an important controversy with Richard Owen about the human brain, and eventually succeeded Owen as Director of the Natural History Museum.