Ronald T. Stefanek, age 73, of Lockport, IL (Oswego, IL since 2007), passed away on Friday, October 21, 2016 at Seasons Hospice Center in Naperville, IL. He was born August 15, 1943 in Joliet, IL, the son of Anthony and Eunice (Gardner) Stefanek. Prior to his retirement, Ron worked as an engineer for Folger Adam Security, Inc. in Lemont, IL. Since his retirement, he most enjoyed spending time with his beloved granddaughter Bailey and grandson Zachary. He is survived by his daughters Kimberly (John) Cutrano of Joliet, IL, Veronica (Gary) Zoldowski of Oswego, IL, grandchildren Bailey Ryan Zoldowski and Zachary Samuel Zoldowski both of Oswego, IL and Paul Cutrano of Joliet, IL. He was preceded in death by his parents, wife Bonnie Fay, son John Martin, sister Kathleen Dahlgren and a brother James Stefanek. Visitation will be held on Thursday, October 27, 2016 from 3:00 PM until a funeral service at 7:00 PM at DUNN FAMILY FUNERAL HOME with CREMATORY, 1801 S. Douglas Road, Oswego, IL., 60543. Memorials may be made to Seasons Hospice of Naperville, 2195 W. Diehl Road, Naperville, IL 60563. For information: 630/554-3888 or www.dunnfamilyfuneralhome.com