William Gienapp William E. Gienapp has a PhD from the University of California, Berkeley. He taught at the University of Wyoming before moving to Harvard University, where he was Professor of History. In 1988, he received the Avery O. Craven Award for his book The Origins of the Republican Party, 1852-1856. His essay, The Antebellum Era, appeared in the Encyclopedia of Social History (1992). Read More Read Less