Courtesy of the Geological Survey of Canada

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No. 68772 A portrait of Sir William Edmond Logan in 1869. With his appointment as founding Director in 1842, the Geological Survey of Canada came into being as the senior scientific organization of the federal public service of Canada. During the quarter-century Logan presided over the Survey he built up its staff and carried out extensive geological investigations. Logan's name lives on in the title of Canada's highest mountain peak in the Yukon and of a great glacier in that same territory. Photo taken by Notman, Montréal.

No. 165185 Dr. Alice Evelyn Wilson on Rigaud Mountain, Quebec.(May 1953). Alice E. Wilson was the first female geologist hired by the Geological Survey of Canada and the first woman Fellow of the Royal Society of Canada. From 1913 to 1963 she conducted field work in the Ottawa Valley.