Arthur J. Mathis Sr., 86 years old of Crestwood.  Beloved husband Joan, nee Srok.  Loving father of Wayne K. Baran, Arthur J. Mathis Jr., Dawn M (Gary) Tuccori, and James L. Mathis.  Cherished grandfather of 5 and one great-grandchild on the way. Visitation Wednesday 3-9 P.M.  Funeral Thursday 10:15 A.M. from the Becvar & Son Funeral Home, 5539 W. 127th Street, Crestwood, to Incarnation Catholic Church, 5757 W. 127th Street, Palos Heights, for an 11 A.M. Mass.  Interment Resurrection Cemetery.  (708)824-9000 or www.becvarfuneralhome.com