Gustavus Cheyney Doane (1840 - 1892)

Gustavus Cheyney Doane (May 29, 1840 – May 5, 1892) was a U.S. Army Cavalry Captain, explorer, inventor and Civil War soldier who played a prominent role in the exploration of Yellowstone as a member of the Washburn-Langford-Doane Expedition.