Louis Paul Galambos is an American historian known for his contributions to business history. He is a professor emeritus in the Department of History and editor of The Papers of Dwight David Eisenhower at Johns Hopkins University, where he has worked since 1971. He previously served as an Assistant Professor (1960-1966), Associate Professor (1966-1969), and Professor (1969-1970) at Rice University. He also served as a Professor (1970-1971) at Rutgers University.