Thomas W. Merrill is the Charles Evans Hughes Professor of Law at Columbia University. He teaches Property, Environmental Law, Administrative Law, Eminent Domain, and the U.S. Supreme Court. Before his present appointment, he was the John Paul Stevens Professor of Law at Northwestern University and also has taught at Harvard, Yale, the University of Chicago, and the University of Virginia. Professor Merrill received a B.A., with honors in history, from Grinnell College; a B.A., with first-class honors in philosophy, politics, and economics, from Oxford University, where he was a Rhodes Scholar; and his J.D., cum laude, from the University of Chicago. He was law clerk to Justice Harry A. Blackmun, U.S. Supreme Court, and to Judge David L. Bazelon, U.S. Court of Appeals for the District of Columbia Circuit. He also practiced with Sidley, Austin, Brown & Wood. From 1987 to 1990, while on leave from Northwestern, Professor Merrill served as deputy solicitor general in the Department of Justice, where he represented the United States before the Supreme Court. A prolific and influential scholar, his publications have appeared in such journals as the Harvard Law Review, the Yale Law Journal, the Columbia Law Review, the University of Chicago Law Review, the University of Pennsylvania Law Review, the Virginia Law Review, the Northwestern University Law Review, the Georgetown Law Journal, the Cornell Law Review, and the UCLA Law Review.