Architects of ideas; the story of the world's great thinkers / by Ernest R. Trattner. Trattner, Ernest R. (Ernest Robert), 1898-1963. Science History. Science Philosophy. Q125 .T7 1942 509 First edition published in 1938. Bibliography: p. 405-420. New York: The New home library, 1942. 1942. 1942 Text 5 p. l., 3-426 p. eng