Louis John Plzak, 78, of Darien.  Fondest son of Mae (late Louis) Plzak.  Beloved father of Maria (Sam, Jr.) Fratantion, Christopher & Vincent Plzak.  Loving grandfather of Sam, III, Leah (Chris Cleary) Kerstin Fratantion & Kole Plzak.  Devoted great-grandfather of Louis & Giovanna Fratantion & Gage Cleary.   Dear brother of John & Dennis Plzak.  Fond uncle & great-uncle of many.  Visitation 3 to 8pm Friday, Sept. 30, 2016 at Hallowell & James Funeral Home, 1025 W. 55^th St., Countryside.  Prayers 9am Saturday, Oct. 1, 2016 at the funeral home to St. John of the Cross Church, Western Springs for Mass at 9:45am.  Interment Queen of Heaven Cemetery.  In lieu of flowers, memorial contributions to National Pancreatic Cancer Foundation appreciated.  Funeral home phone 708/352-6500 or www.hjfunerals.com