Willard Van Dyke, cinematographer and co-director of documentaries like "The City" and "The River," talks about 20th century American history and how it effected the arts. Using his documentaries and other artists' work, he explores how the Great Depression, World War II, and the Cold War changed American art and culture. He discusses Public Works of Art, war propaganda, and McCarthyism and their challenges for artists. Near the end of this interview, Van Dyke discusses the changes in modern still photography and documentaries as Americans forget history.