Rau, Dennis "Denny", of St. Charles, Missouri, died on Friday, September 21, 2012 at the age of 65. Loving husband of Linda M. Rau; beloved son of the late Earl and Idabel Rau; devoted father of Kim (Tom) Stevens, Kelly (Matthew) Peters and Brian Rau; cherished grandfather of Danny, Abby, Alyssa, Aaron and Jacob; dear brother of Linda S. Rau. He was employed as a Supervisor with ARI for over 45 years. He was a member of St. Cletus Catholic Church. Denny was a man that could fix anything, he greatly enjoyed woodworking and working in the yard, but most of all he loved his family and will be greatly missed. Memorials may be made to Cancer Research Foundation.