Provided by Wikipedia Hanna Holborn Gray (born October 25, 1930) is an American historian of Renaissance and Reformation political thought and Professor of History ''Emerita'' at the University of Chicago. She served as president of the University of Chicago, from 1978 to 1993, having earlier served as president pro tempore of Yale University in 1977–1978. At both schools, she was the first woman to hold their highest executive office. When named to the post in Chicago, she became one of the first women in the United States to hold the full presidency of a major university.