"Canadian geological engineer and academic" . "2009-09-25Z"^^ . . "1926-02-04Z"^^ . "Roger A. Blais, CC OQ MSRC (February 4, 1926 \u2013 September 25, 2009) was a Canadian geological engineer and academic. He helped develop a number of prospecting and exploration technologies.Born in Shawinigan, Quebec, he graduated from Universit\u00E9 Laval and from the University of Toronto. In 1970, he was appointed a professor in economic geology and the first director of research at \u00C9cole Polytechnique de Montr\u00E9al."@en . "Blais, Roger A."@en . "Roger A. Blais"@en . . . "2009Z"^^ . "1926Z"^^ .