British botanist (1915-2007).
John Gregory Hawkes OBE FLS (27 June 1915 in Bristol – 6 September 2007 in Reading) was a British botanist, Mason Professor of Botany at the University of Birmingham. He was a student at Cambridge University Botany School where obtained his Ph.D. (1941) and Sc.D. (1957). He specialised in studying the taxonomy of wild potato species (Solanum sect. Petota), identified sources of resistance to the potato cyst nematode and played a role in establishing programs to maintain agricultural biodiversity. He was awarded the OBE in the 1994 Birthday Honours. In 1985 he was awarded the Linnean Medal for