Allen Phillip Zak passed away peacefully on August 13, 2015 at home with his family. He was born in Chicago, Illinois on January 18, 1935. Dr. Allen P. Zak retired in 1991 as superintendent of schools District 102 in LaGrange Park, Illinois. A former superintendent of schools in West Northfield District 31 in Northbrook, Illinois. Allen is survived by his beloved wife of 58 years Jacqueline (née Larson), loving father to his children and their spouses Allen (Terri) Zak, Debra Zak (David Wadner), Lynn (Gary) Barabasz, Kathryn (Anthony) Tremonto, and Tom (Deena) Zak. Cherished grandfather to Jason, Christopher (Melissa), Jonathan, Katelyn, Matthew, Nicholas, Anthony, Olivia; dear brother to Shirley (Michael) Ryan, fond uncle to his nieces and nephews and friend of many. Memorial Services will be held at St. Juliana Church, 7201 N. Oketo Ave. Chicago, Illinois on September 19, 2015 at 11:30 a.m.. In lieu of flowers, contributions may be made to the Allen P. Zak Science Discovery Center 333 N. Park Road, LaGrange Park, Illinois 60526. For additional information and to send condolences visit www.valleyofthesunfuneralhome.com.