American, 1888-1946 .U.S. folk painter. Pippin served in the infantry in World War I, but he was wounded in 1918 and discharged with a partially paralyzed right arm. His first large canvas was an eloquent protest against war, End of the War: Starting Home (1931 ?C 34). His primary theme became the African American experience, as seen in his series entitled Cabin in the Cotton (mid 1930s) and his paintings of episodes in the lives of the antislavery leader John Brown and Pres. Abraham Lincoln. After the art world discovered Pippin in 1937,