Media type: E-Article Title: The Master Spirit of the Age: Canadian Engineers and the Politics of Professionalism. J. Rodney Millard Contributor: Layton,, Edwin T. Published: University of Chicago Press, 1990 Published in: Isis, 81 (1990) 2, Seite 387-387 Language: English DOI: 10.1086/355437 ISSN: 0021-1753; 1545-6994 Keywords: History and Philosophy of Science ; Earth and Planetary Sciences (miscellaneous) ; History Origination: Footnote: