Richard PolenbergRichard Polenberg is Marie Underhill Noll Professor of History Emeritus at Cornell University. He is the author of Hear My Sad Story: The True Tales That Inspired "Stagolee," "John Henry," and Other Traditional American Folk Songs and Fightng Faiths: The Abrams Case, The Supreme Court, and Free Speech, and is the editor of In the Matter of J. Robert Oppenheimer: The Security Clearance Hearing, all from Cornell. Read More Read Less