About William H. McNeill WILLIAM H. McNEILL is Robert A. Millikan Distinguished Service Professor of History, University of Chicago. Books by William H. McNeill Polyethnicity and National Unity in World History The Donald G. Creighton Lectures 1985 by (author) William H. McNeill Polyethnicity and National Unity in World History The Donald G. Creighton Lectures 1985 by (author) William H. McNeill