Rudolph C. Keil, age 90. Beloved husband of the late Betty Wenzel-Keil; loving stepfather of Heidi (Jim) Sandgathe; beloved son of the late Henry and Leni Keil. Visitation will be held on Saturday December 18th, 2021 from 9:00 am until the time of the Chapel Service at 11:00 am. Interment to follow at Mt. Olive cemetery. In lieu of flowers please make donations to Roosevelt University, St. Jude's, or The Nature Conservancy. For more info please call 708-456-8300.