John F. “Jack” Lavan, 100, of Westmont, IL, formerly of Oak Park and LaGrange Park, at rest November 14, 2020. Proudly served his country during  World War II in the United States Navy. Born July 10, 1920 in Chicago, IL to Stuart and Josephine Lavan. Beloved husband of the late Sally; loving brother of the late Eileen, Margaret, Marian, Stuart, Jack, Joe and Steve Lavan; dearest uncle of many nieces and nephews. Jack had a love of automobiles. Interment private. Arrangements entrusted to West Suburban Funeral Home & Cremation Services. Info 630-852-8000 or www.westsuburbanfh.com