Science and philosophy : past and present / Derek Gjertsen. Gjertsen, Derek. Science Philosophy. Q175 .G545 1989 501 GJS "A Peguin original"--Label on p. 1 of cover. Includes bibliographical references (p. [259]-288). New York, N.Y., USA : Penguin Books ; 1989. 1989. 1989 Text 296 p. ; eng A Pelican book