The Witherspoon Institute is a conservative think tank in Princeton, New Jersey. The Institute was founded in 2003 by Princeton University professor and conservative Robert P. George, Luis Tellez, and others involved with the James Madison Program in American Ideals and Institutions. Named after John Witherspoon, one of the signers of the United States Declaration of Independence, the institute's fellows include Harold James, John Joseph Haldane, and James R. Stoner, Jr.