Crowther, J. G. Six great scientists : Copernicus, Galileo, Newton, Darwin, Marie Curie, Einstein / J. G. Crowther. - London : Hamish Hamilton, c 1955. - 269 p. : ill. ; 19 cm. 338 338 Subjects--Topical Terms: Scientists -- Biography. Dewey Class. No.: 925 / C886s