A.B., Harvard University; J.D., University of Michigan; Ph.D. in History, University of Pennsylvania.
Legal history; welfare law; constitutional law; civil rights; administrative law.
Professor of Law and History, University of Pennsylvania; Co-Director, Legal History Consortium.
SIFR Visiting Fellowship, New York University; AHA Prize for best article in legal history.
Editor, Law and History Review; organizer of legal history workshops.