"John Henry Heitmann (September 11, 1842 \u2013 March 26, 1894) was the 25th mayor of Columbus, Ohio and the 22nd person to serve in that office. He served Columbus for two terms. His successor, Gilbert G. Collins, took office in 1879. He died on March 26, 1894."@en . "Former mayor of Columbus, Ohio" . . "25thMayor of Columbus" . "1894-03-26Z"^^ . . "John Henry Heitmann"@en . "Member of theOhio House of Representatives" . "1894Z"^^ . . . "1842-10-11Z"^^ . . "1842Z"^^ . "Heitmann, John H."@en . . "1842-09-11Z"^^ . .