George B. McClellan
was one of the top Union military leaders during the early years of the Civil War.
He took command of the Army of the Potomac in July 1861—following the Union's humiliating
defeat at the First Battle of Bull Run—and soon proved to be a great organizer and
motivator of troops. (More
"George B. McClellan." American Civil War Reference Library. Kevin
Hillstrom and Laurie Collier Hillstrom. Ed. Lawrence W. Baker. Vol. 2: Biographies.
Detroit: UXL, 2000. 305-315. Gale U.S. History In Context. Web. 27 Oct. 2011.
Photographs from the Library of Congress Prints & Photographs