Karl N. Llewellyn was a revered law professor who taught for most of his career at Columbia Law School and the University of Chicago. Renowned as a scholar in many fields, he was a principal author of the Uniform Commercial Code, the nationwide system of commercial law still followed throughout the United States.
Steve Sheppard is the William H. Enfield Professor of Law at the University of Arkansas. Among his writings, he is the coauthor, with George Fletcher, of American Law in a Global Context: The Basics, also published by Oxford University Press.