Dennis Donald Hanson, 73 of West Valley, NY; recently of Villa Park, passed away October 15, 2020. He is the beloved father of Melissa (David) Slinn and Ann Hanson; dear grandfather of Micah, Ella and Jonah; fond brother of Diane (Charles)Pfeffer. He enjoyed spending time with his grandchildren at their various events. A kind man, he was liked by everyone he met. May his memory be eternal. Family and Friends will meet Monday 10:45 a.m. at Elm Lawn Memorial Park, Elmhurst, IL for service at 11 a.m.