Robert E. Zakroczymski, age 70, U.S. Army Vietnam War Veteran, late of Calumet City. Beloved husband of Patricia nee Mulligan. Devoted father of Laura (Christopher) and Scott Zakroczymski. Proud grandfather of Sadie and Madison. Dear brother of Margaret (late Walter) Saunders. Retired from Loyola University's Computer Networking Department with many years of dedicated service. Visitation Wednesday from 3:00 to 9:00 p.m. Funeral Thursday, 9:15 a.m. from THORNRIDGE FUNERAL HOME (Janusz Family Funeral Service), 15801 S. Cottage Grove Ave., four blocks North of 162nd St. (Rte. 6) Dolton/South Holland to St. Jude the Apostle Church Mass 10:00 a.m. Interment Holy Cross Cemetery.