an artist and West Point graduate who served in the US Army, first as a mapmaker and illustrator. He had two tours at Fort Snelling, Minnesota Territory; during the second, extended tour he was commanding officer of the fort. During these years, he painted many studies of Native American life. He was notable for the quality of his hundreds of illustrations for Henry Rowe Schoolcraft's six-volume study on Indian Tribes of the United States (1851–1857), commissioned by the US Congress.
