E. H. Harriman
From 1871 to 1873, he was artist and assistant topographer with Major Powell's second expedition down the Colorado River. He joined the 1899 Harriman Alaska Expedition financed by railroad magnate E. H. Harriman. He served as librarian of the American Geographical Society (1909–1911), and became a fellow of the American Ethnological Society. He helped to found the Explorers Club in 1904.