Richard S. Westfall  is best known for his biography of a mathematician who was a key figure in what?
Richard S. Westfall Richard S. Westfall (April 22, 1924 – August 21, 1996) was an American academic, biographer and historian of science. He is best known for his biography of Isaac Newton and his work on the scientific revolution of the 17th century.
John Edensor Littlewood John Edensor Littlewood FRS LLD (9 June 1885 – 6 September 1977) was an English mathematician, best known for his achievements in analysis, number theory,