McGuire_Timeline By HMcGuire15 Sep 5, 1817 Robert Owen Sep 5, 1835 The Philosophers of Manufactures- Andrew Ure Sep 5, 1880 Knights Of Labor Sep 5, 1890 Fredrick Taylor Sep 5, 1900 Classical School of Management Sep 5, 1900 Henri Fayol Sep 5, 1910 Scientific Management Sep 5, 1911 Optimum Shovel Sep 5, 1920 Mary Parker Follett Sep 5, 1930 Max Weber Sep 5, 1930 Elton Mayo Sep 5, 1935 Frank and Lillian Gilbreth Sep 5, 1935 Wagner Act Sep 5, 1950 Hawthorne Studies/Effect Sep 5, 1950 Eric Berne Sep 5, 1950 Transactional Analysis Sep 5, 1960 Douglas McGregor Sep 5, 1960 Theory X and Theory Y Sep 5, 1972 Carl Rogers