Édouard-Gaston Deville

Édouard-Gaston Deville
Born
Daniel Édouard Gaston Deville

(1849-02-21)February 21, 1849
La Charité, France
DiedSeptember 21, 1924(1924-09-21) (aged 75)
Ottawa, Ontario, Canada
OccupationSurveyor
AwardsPerson of National Historic Significance (1971)

Édouard-Gaston Daniel Deville, ISO, FRSC (French pronunciation: [edwaʁɡastɔ̃ dəvil]; February 21, 1849 – September 21, 1924) was the first to perfect a practical method of photogrammetry, the making of maps based on photography. A Frenchman who was naturalized Canadian, he was the Surveyor General of Canada (1885–1924) and Canada's Director General for the Bureau of Surveys (1922–1924). During his lifetime, Canadian surveyors had used his phototopography to map 83,678 square kilometres, roughly the size of Ireland (84,421 square kilometres).

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