Alfred DuPont Chandler Jr. (September 15, 1918 – May 9, 2007) was a professor of business history at Harvard Business School and Johns Hopkins University, who wrote extensively about the scale and the management structures of modern corporations. His works redefined business and economic history of industrialization. He received the Pulitzer Prize for History for his work, The Visible Hand: The Managerial Revolution in American Business (1977). He was a member of both the American Academy of Arts and Sciences and the American Philosophical Society. He has been called "the doyen of American business historians". Source: Wikipedia (en)