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. Richard S. Westfall:  He is best known for his biography of Isaac Newton and his work on the scientific revolution of the 17th century.
i don't know