Édouard Gaston Deville

Édouard Gaston Deville (born February 21, 1849, La Charité, France—died September 21, 1924, Ottawa, Ontario, Canada) was a French-born Canadian surveyor of Canadian lands (1875–1924) who perfected the first practical method of photogrammetry, or the making of maps based on photography. Deville served in the French navy, conducting hydrographic surveys in the South Sea islands, Peru, and elsewhere until 1874. He then went to Canada, where he was appointed (1875) inspector of surveys in the...