Samuel Davis Sturgis (June 11, 1822 – September 28, 1889) was an American military officer who served in the Mexican–American War, as a Union general in the American Civil War, and later in the Indian Wars.
Source: Library of Congress Prints and Photographs Division. Brady-Handy Photograph Collection. http://hdl.loc.gov/loc.pnp/cwpbh.00746. CALL NUMBER: LC-BH82- 124 <P&P>[P&P] License: CC-PD-Mark