Mary Parket Follet, Chester Irving Barnard, Elton Mayo, Jaques Horovitz , Jan Carlson ,Karl Albrecht ,Richard Beckhard, Henry Fayol, Morris Coke, Henry Ford, Harrington Emerson. Henry Metcalfe, Henry Robinson Towne , Frank Bunker Gilbreth ,Carl Barth , Frederick, Winslow Taylor , James Watt ,Adam Smith, Robert Owen, James Mill, Henry Varnum Poor , Daniel Craig McCallum, Charles Babbage .