History of Human Relations By Jacob Stevenson Sep 6, 1816 Robert Owen and treating workers better Sep 6, 1835 The Philosophy of Manufacturers Sep 6, 1850 Start of Human Relations Sep 6, 1869 Knights of Labor Sep 6, 1898 Optimum Shovel Sep 6, 1900 Fredrick Taylor Sep 6, 1900 Classical School of Management Sep 6, 1904 Max Weber Sep 6, 1905 Frank and Lillian Gilbreth Sep 6, 1910 Scientific Management Sep 6, 1915 Mary Parker Follett Sep 6, 1920 Hawthorne Studies Sep 6, 1925 Elton Mayo Sep 6, 1935 Wagner Act Sep 6, 1950 W.Edward Demings Sep 6, 1960 Douglas McGregor Sep 6, 1963 Theory X and Theory Y Sep 6, 1965 Carl Rogers Sep 6, 1966 Conflict Management and Group Dynamics Sep 6, 1967 Eric Brene Sep 6, 1968 Transactional Analysis Sep 6, 1980 Total Quality Management Sep 6, 2000 ROWE-Results Only Work Envoirment