Clarence J. Mancik, age 87, of Burr Ridge; loving son of the late John & Victoria Mancik. Clarence was a proud US Army Veteran. He worked as a Computer Systems Manager, and retired from the Interlake and Follett Corporations after a long career. In his free time, he enjoyed downhill skiing, golfing, and was an avid car enthusiast. A private burial was held at Bohemian National Cemetery where his funeral honors were performed. Arrangements entrusted to Hallowell & James Funeral Home, Countryside. Info: (708) 352-6500