|Uncle Sam Recruiting Poster
Originally published as the cover for the July 6, 1916, issue of Leslie's Weekly with the title "What Are You Doing for Preparedness?" this portrait of "Uncle Sam" went on to become--according to its creator, James Montgomery Flagg--"the most famous poster in the world.
James Montgomery Flagg
Flagg (1877-1960) contributed forty-six works to support the war effort. He was a member of the first Civilian Preparedness Committee organized in New York in 1917 and chaired by Grosvenor Clarkson. He also served as a member of Charles Dana Gibson's Committee of Pictorial Publicity, which was organized under the federal government's Committee on Public Information, headed by George Creel.