Henry Hansmann is the Oscar M. Ruebhausen Professor of Law at Yale Law School. He received both a J.D. and a Ph.D. in economics from Yale University. His scholarship has focused principally on the law and economics of organizational ownership and design. He has written extensively about nonprofit organizations, the relationship between contract law and organizational law, the historical evolution of organizational forms, and the structure of property rights. In addition to his many articles, he is the author of The Ownership of Enterprise and, with others, The Anatomy of Corporate Law: A Functional and Comparative Analysis. He is a fellow of the American Academy of Arts and Sciences, past recipient of a John Simon Guggenheim Foundation Fellowship, and past president of the American Law and Economics Association.