Donald Adam Hartman (August 3, 1929 – July 5, 1996) was the 33rd mayor of Calgary from March 21, 1989, to October 23, 1989.List of Calgary Mayors City of Calgary Website. Retrieved April 5, 2006. He had been a city Alderman since October 22, 1969. As senior Alderman Hartman was appointed Mayor following Ralph Klein's resignation, serving only until the regular city elections that October. He died of cancer in 1996.Hundreds mourn Hartman: [FINAL Edition] Alberts, Sheldon. Calgary Herald [Calgary, Alta] 10 July 1996: B.1.
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