JÃ 1\/4 rgen Habermas went to the universities of GÃ ttingen ( 1949\/50 ) , ZÃ 1\/4 rich ( 1950\/51 ) , and Bonn ( 1951 â `` 54 ) and earned a doctorate , or a expert degree in philosophy from Bonn in 1954 with his work called , ' ( `` The absolute and history : on the contradiction in Schelling 's thought '' ) . He studied at the universities of GÃ ttingen ( 1949\/50 ) , ZÃ 1\/4 rich ( 1950\/51 ) , and Bonn ( 1951 â `` 54 ) and earned a doctorate in philosophy from Bonn in 1954 with a dissertation written on the conflict between the absolute and history in Schelling 's thought , entitled , ' ( `` The absolute and history : on the schism in Schelling 's thought '' ) .