Hartman, Alan Frederick, of O'Fallon, Missouri, died on Wednesday, November 7, 2012 at the age of 73. Loving husband of the late Leona M. Hartman (NEE: Hoelscher), cherished son of the late Alfred P. Hartman and the late Anna J. Hartman, adored father of Peter W. (Stephanie) Hartman, Charles D.(Christina) Hartman, and Kim Orf; admired grandfather of Natalie, Brian, Aaron, Kevin, Gabriel, Stavros, Frederick, and Cassandra. He is preceded in death by his sister, Anne and his grandsons, Jonathan and Zachary. He was employed as a Residential Tech at MO Dept of Health. Services: The family is being served by The Baue Funeral Home, 311 Wood Street, O'Fallon, MO. A Funeral Service will be held at 6:00 PM, Tuesday, November 13, 2012 at Baue Funeral Home Chapel. Inurnment Jefferson Barracks National Cemetery at a later date. Memorials may be made to American Heart Association. Share your condolences and memories at baue.com.