David Mamet, Walt Whitman, Jim Thorpe, and Lewis and Clark!
b"(Segments 1-4) You Know His Work and His Writing. You Just Don't Know His Name. (David Mamet), (5) Walt Whitman: Pioneers! O Pioneers!, (6) A Lewis and Clark Expedition WITHOUT Sacagawea?, (7-8) Jim Thorpe: Native American, All-American (d. 1953)"