Robert C. Cottrell has written over twenty books, including biographies of the radical journalist I. F. Stone, ACLU icon Roger Nash Baldwin, and Negro League founder Rube Foster. He is the author most recently of Two Icons: How Hank Greenberg and Jackie Robinson TransformedBaseball and America. Cottrell, professor of history and American studies at California State University, Chico, has also taught in London; Puebla, Mexico; and Moscow, Russia, in the latter instance as a Distinguished Fulbright Chair. He is currently working on a collective biographyof four key members of the early twentieth-century American left: Crystal Eastman, John Reed, Inez Milholland, and Randolph Bourne.