Dr. Heinrich BrÃ 1\/4 ning ( 26 November 1885 in MÃ 1\/4 nster â `` 30 March 1970 ) was a German politican during the Weimar Republic . Heinrich BrÃ 1\/4 ning ( 26 November 1885 -- 30 March 1970 ) was a German politician during the Weimar Republic .