English biologist who was simply referred to as “Darwin’s Bulldog” because of his advocacy of Charles Darwin’s theory of evolution. He trained himself biology as an adolescent and learned all about invertebrates and vertebrates and was apprenticed to many professionals when he was thirteen. He was voted onto the London College Panel in 1870 after being truly a major impact to British universities. He wedded Henrietta Anne Heathorn in 1855 plus they got eight kids. He was a significant advocate of Charles Darwin’s theory of advancement.