born April 4, 1843, Keesville, N.Y., U.S.
died June 30, 1942, New York, N.Y.
U.S. photographer.
As a boy, he worked for a photographic studio in Troy, N.Y. After the American Civil War he went west and opened a studio in Omaha. He was the official photographer for the U.S. Geological and Geographical Survey of the Territories (1870–78), and his photographs were instrumental in the establishment of Yellowstone National Park .