Hvem daterte John Desmond Bernal?

John Desmond Bernal (; 10 May 1901 – 15 September 1971) was an Irish scientist who pioneered the use of X-ray crystallography in molecular biology. He published extensively on the history of science. In addition, Bernal wrote popular books on science and society. He was a communist activist and a member of the Communist Party of Great Britain (CPGB).

Margaret Emilia Gardiner OBE (22 April 1904 – 2 January 2005) was a radical modern British patron of artists and resident of Hampstead, London, from 1932, where she was also a left wing political activist. She was also for a time the partner of Professor John Desmond Bernal. She was known as "Mrs Bernal" for most of her life, but they were never married. In the 1980 Birthday Honours she was awarded an OBE for services to the Pier Arts Centre Trust, Stromness. She was referred to as Margaret Emilia Gardiner Bernal on the list.

Margot Claire Heinemann (født 18. november 1913, død 10. juni 1992) var en britisk marxistisk forfatter, politiker, dramaforsker, og ledende medlem av det britiske kommunistparti (CPGB).