Stephen John Keynes (19 October 1927 – 13 August 2017) was a great-grandson of Charles Darwin, and chairman of the Charles Darwin Trust.[1]
He was educated at The Hall School, Hampstead, Oundle School, and King's College, Cambridge, where he was an Open Scholar.[2]
Keynes was the fourth son of Geoffrey Keynes and his wife Margaret Darwin, daughter of Sir George Darwin; he was also a nephew of the economist John Maynard Keynes. His brothers were Richard, Quentin and Milo. In 1955 he married Mary Cecilia Knatchbull-Hugessen, daughter of the Canadian senator Adrian Knatchbull-Hugessen. They had the following children:
Keynes was a Fellow of the Linnean Society of London and a member of the Roxburghe Club.[3] [4]