- Existence: 1891 - 1985
John Gehlman was born in 1902. He moved to Oak Park in 1926 to teach at Oak Park River Forest High School. By the time of his retirement in 1952, he was head of his department. Gehlman died in 1985 in Signal Mountain, TN.
See also: Oak Leaves 14 August 1985 p. 74