O'Brien_timeline By Tobrien15 Sep 5, 1800 Robert Owen Sep 5, 1835 The Philosophy of Manufacturers - Andrew Ure Period: Sep 5, 1841 to Sep 5, 1925 Henri Fayol Period: Sep 5, 1856 to Sep 5, 1915 Optimum shovel - “One Best Way Period: Sep 5, 1868 to Sep 5, 1972 Frank & Lillian Gilbreth Sep 5, 1869 Knights of Labor Period: Sep 5, 1880 to Sep 5, 1940 Elton Mayo Sep 5, 1900 Frederick Taylor Sep 5, 1900 Mary Parker Follett Sep 5, 1900 Max Weber - bureaucratic organizations approach Sep 5, 1900 Scientific Management Sep 5, 1900 Conflict Management Period: Sep 5, 1900 to Sep 5, 1937 Classical School of Management Period: Sep 7, 1900 to Sep 7, 1993 W. Edwards Deming Period: Sep 5, 1906 to Sep 5, 1964 Douglas McGregor Period: Sep 5, 1910 to Sep 5, 1970 Eric Berne Sep 5, 1920 Hawthorne Studies or Hawthorne effect Sep 5, 1924 Group Dynamics Sep 5, 1935 Wagner Act Sep 5, 1956 Carl Rogers Sep 5, 1960 Theory X and Theory Y Sep 5, 1964 Transactional Analysis Sep 7, 1983 Total Quality Management (TQM) Sep 7, 2003 ROWE - Results Only Work Environment