Peter Humphry Greenwood FRS FIBiol (21 April 1927 – 3 March 1995) was an English ichthyologist.
Humphry married fellow student Marjorie George (1924 – 2006) in 1950.
He was elected a Fellow of the Royal Society in 1985.
[1][2] He was known for his work on the species flocks of cichlids in the African Great Lakes, and for studies of the phylogeny and systematics of teleosts.
[3] The cichlid fish Diplotaxodon greenwoodi[4] is named for him.