August Herman Olson Rolle was born March 3, 1875, in Sibley County, Minn. Attended Red Wing Seminary. Taught for a time, then entered the lumber business. Served in the military during the Spanish-American War. Lived in Washington, D.C., 1900 – 41. Was a forestry expert with the Bureau of the Census, 1900 – 41. Studied with Edmund Clarence Messer, Richard Norris Brooke, and James Henry Moser at the Corcoran School of Art, 1905 – 15. Was a founder-member of the Landscape Club of Washington, D.C., 1913. Died October 9, 1941, in Washington, D.C.