Robert W. Gordon is Chancellor Kent Professor of Law and Legal History at Yale University. He has also taught at the universities of Buffalo, Wisconsin and Stanford. He is the author of The Legacy of Oliver Wendell Holmes, Jr., Critical Legal Histories and many articles on the history of the legal profession, the uses of history in legal argument and contract law. He is at work on a history of the American legal profession in the twentieth century. Morton J. Horwitz is Charles Warren Professor of the History of American Law at Harvard University. He is the author of The Transformation of American Law 1780-1860, which won the Bancroft Prize in American History, The Transformation of American Law, 1870-1960 and The Warren Court and the Pursuit of Justice. He is at work on a history of the Supreme Court under Chief Justice Earl Warren, a volume in the Holmes Devise History of the Supreme Court.