Born in London, Ronald W. Clark (1918 1987) spent three years researching and writing "Einstein: The Life and Times". Among his other works are "The Huxleys"; "JBS" (the biography of biologist J. B. S. Haldane); "The Life of Bertrand Russell"; "Freud: The Man and the Cause"; and "The Greatest Power on Earth: The International Race for Supremacy".