M.G.M. Pryor

Mark Gillachrist Marlborough Pryor (25 February 1915 – 19 October 1970) was a British biologist, His paternal grandfather was Marlborough Robert Pryor, who was an amateur naturalist "well known in Cambridge scientific circles". He was educated, per family tradition, at Eton and Trinity College, Cambridge. He worked as a research student under A.D. Imms.

Pryor married Sophie Raverat, daughter of the late French artist Jacques Raverat and his wife Gwendolen Mary (née Darwin) (a granddaughter of Charles Darwin), in 1940. They had four children: Emily Pryor (1942–2008), William Marlborough Pryor (born 1945), Lucy (known professionally as "Lucy Raverat", born 1948) and Amy Eleanor (born 1952, known as Nelly; she married her 3rd cousin, the film and television director Philip Trevelyan).

Pryor was elected a Fellow of Trinity College in 1939. Before the war, he published with P.F. Holmes a paper on barnacles in Horsey Mere