Timothy O'Sullivan (American, born Ireland, 1840–1882)
Navajo Brave and his Mother. The Navajo were formerly a warlike tribe until subdued by U.S. Troops, in 1859-60. Many of them now have fine flocks, and herds of horses, sheeps and goats, No. 29 from the series "Geographical Explorations and Surveys West of the 100th Meridian", 1873