Stylianos "Steve" Vittas, 74, of Chicago, passed away April 28, 2018.  Beloved husband of Mary, nee Kreatsoulas; loving father of Peter and John Vittas; cherished grandfather of Bobby Michael, Steven Peter and Peter Alexander; dear brother of Helen, Debbie, Mary and Georgia.  Visitation Thursday, May 3, 10 a.m. until time of funeral service at 10:30 a.m. at St. Haralambos Greek Orthodox Church, 7373 N. Caldwell Ave., Niles.  Interment Montrose Cemetery.  In lieu of flowers, memorial contributions may be made to the family to assist with funeral expenses.