is a Visiting Scholar at the Massachusetts Historical Society and a Research Associate at the Harvard Business School. He has written a prize-winning biography, American Heretic: Theodore Parker and Transcendentalism
(2002), many articles and reviews, and a book of comics, and edited A Language of Reverence
(2004) and the Journal of Unitarian Universalist History
(1995-2010). He has taught American history and literature at Harvard College, the Harvard Extension School, and Meadville Lombard Theological School, where he was Associate Professor of History and won an award from students for service "above and beyond the call of duty." He also has given scores of public talks, lectures, and speeches on historical topics. He has won National College Cartoon Strip Contest among other cartooning awards and for many years drew a comic strip, TANGENTS. He lives in Cambridge, Massachusetts, with his wife and daughter.