"Sir Gavin Rylands de Beer FRS (1 November 1899 \u2013 21 June 1972) was a British evolutionary embryologist. He was Director of the British Museum (Natural History), President of the Linnean Society, and received the Royal Society's Darwin Medal for his studies on evolution."@en . "Gavin de Beer"@en . . . . . . . "De Beer, Gavin"@en . "Evolutionary embryologist" . "1972-06-21Z"^^ . . "Gavin Rylands de Beer"@en . . "1899-11-01Z"^^ . . . "1972Z"^^ . "1899Z"^^ . .