Audrey Flack, World War II (Vanitas), 1976-77. Oil over acrylic on canvas, 96 x 96 in. Pennsylvania Academy of the Fine Arts, Philadelphia World War II (Vanitas) by Audrey Flack, incorporating a portion of the photograph “Buchenwald, April 1945" by Margaret Bourke-White, © Time Inc. Photo courtesy Audrey Flack. Art © Audrey Flack.