John J. "Jack" Cook, age 86, U.S. Army, Beloved husband of the late Dorothy (nee Zender); loving dad of Doreen (Carey) Chlumsky and the late Kenneth; cherished brother of Jean (the late Carmen) Cacciatori and Nancy (the late Joseph) Szramek; dear uncle and friend to many. Family and friends to meet Tuesday, February 9, 2021 at Immaculate Conception Church 7211 W. Talcott Ave, Chicago for 10 A.M. Mass. Inurnment Union Ridge Cemetery. For informationwww.kolbusmayfh.com or (773) 774-3232.