Marshall L. Horwitz, age 74, beloved father of Knute M. (Tasha Kirton) Horwitz; devoted son of the late Gershon "Gus" and the late Lilyan (nee Waldman) Horwitz; dear brother of the late Stuart (Davida) Horwitz; close companion and friend of Rochelle Schulman and her family, Debbie (Scott) Rogers, Wendi (Steven) Deer and David (Tresa) Schulman and their children, Rebecca, Jessica, Jake, Brandon, Courtney, Alec, Lauren and Charlie; and treasured uncle. Graveside service Wednesday, 3:00 p.m. at Shalom Memorial Park, Section XIV Mamre, Rand & Wilke Rds., Arlington Heights. In lieu of flowers, contributions to the Lupus Foundation of America, www.lupus.org Info: The Goldman Funeral Group, www.goldmanfuneralgroup.com (847) 478-1600.