Memorials may be made to Alzheimer's Foundation or Make-a-Wish Foundation of Missouri. Heidemann, Ronald C., of St. Charles, Missouri, died on Friday, March 7, 2008 at the age of 72. Dear son of the late Charles and Marie Heidemann. Dearest husband to Melba Heidemann. Cherished father to Cynthia (Randy) Long, and Sheryl (Bill) Miller. Loving grandfather of Stephanie Long, Greg and Brian Miller. Dear brother of Jack Heidemann and brother-in-law to Richard Krohr. Dear uncle and cousin to many.