The History of Human Relations By gdierenfield15 Jan 1, 1833 Robert Owen Jan 1, 1850 Classical School of Management Jan 1, 1869 Knights of Labor Jan 1, 1888 Henri Fayol Jan 1, 1894 Mary Parker Follett Jan 1, 1900 Frank and Lillian Gilbreth Jan 1, 1901 Elton Mayo Jan 1, 1905 Max Weber Jan 1, 1911 Fredrick Taylor Jan 1, 1911 Optimum Shovel Jan 1, 1911 Scientific Management Jan 1, 1920 Hawthorne Studies or Hawthorne Effect Jan 1, 1924 Group Dynamics Jan 1, 1935 Philosophy of Manufacturers Jan 1, 1935 Wagner Act Jan 1, 1950 Transectional Analysis Jan 1, 1960 Douglas McGregor Jan 1, 1960 Eric Berne Jan 1, 1960 Carl Rogers Jan 1, 1960 Theory X and Theory Y Jan 1, 1980 W. Edwards Deming Jan 1, 1980 Total Quality Management Jan 1, 1980 Conflict Management Jan 1, 2007 Results Only Work Enviroment