Louis FisherLouis Fisher is Scholar in Residence at the Constitution Project. Previously he worked for four decades at the Library of Congress as Senior Specialist in Separation of Powers (Congressional Research Service, from 1970 to 2006) and Specialist in Constitutional Law (the Law Library, from 2006 to 2010). During his service with CRS he was research director of the House Iran-Contra Committee in 1987, writing major sections of the final report. Fisher's specialties include constitutional law, war powers, budget policy, executive-legislative relations, and judicial-congressional relations.

After completing his doctoral work in political science at the New School for Social Research in 1967, he taught full-time at Queens College for three years. Later he taught part-time at Georgetown University, American University, Catholic University law school, Indiana University, Catholic University, the College of William and Mary law school, and Johns Hopkins University. Currently he is a Visiting Professor at the William and Mary law school.

His books include President and Congress (1972), Presidential Spending Power (1975), The Constitution Between Friends (1978), The Politics of Shared Power (4th ed. 1998), Constitutional Conflicts Between Congress and the President (6th ed. 2014), Constitutional Dialogues (1988), American Constitutional Law (with Katy J. Harriger, 10th ed. 2013), Presidential War Power (3rd ed. 2014), Political Dynamics of Constitutional Law (with Neal Devins, 5th ed. 2011), Congressional Abdication on War and Spending (2000), Religious Liberty in America: Political Safeguards (2002), Nazi Saboteurs on Trial: A Military Tribunal & American Law (2003; 2d ed. 2005), The Politics of Executive Privilege (2004), The Democratic Constitution (with Neal Devins, 2004), Military Tribunals and Presidential Power: American Revolution to the War on Terrorism (2005), In the Name of National Security: Unchecked Presidential Power and the Reynolds Case (2006), The Constitution and 9/11: Recurring Threats to America's Freedoms (2008), The Supreme Court and Congress: Rival Interpretations (2009), On Appreciating Congress: The People's Branch (2010), Defending Congress and the Constitution (2011), On the Supreme Court: Without Illusion and Idolatry (2013), and The Law of the Executive Branch: Presidential Power (2014). His textbook in constitutional law is available in two paperbacks: Constitutional Structures: Separation of Powers and Federalism and Constitutional Rights: Civil Rights and Civil Liberties. With Leonard W. Levy he edited the four-volume Encyclopedia of the American Presidency (1994).

He has twice won the Louis Brownlow Book Award (for Presidential Spending Power and Constitutional Dialogues). The encyclopedia he co-edited was awarded the Dartmouth Medal. In 1995 he received the Aaron B. Wildavsky Award “For Lifetime Scholarly Achievement in Public Budgeting�