William T. Klein passed away January 12, 2024 at the age of 90. A US Air Force Veteran. Beloved husband of the late Eleanor Klein. Loving father of Karen Adams, and the late Jacqueline Adams and Kathleen Lacovara. Dear grandpop of Joseph Adams, Jr., Joseph Adams, Shawn Adams, Ashley Coward, Gina Rothmaller, and Jennifer Colonna. Relatives and friends are invited to his viewing on Thursday January 18, 2024 at St. Katherine of Siena Church, 9700 Frankford Ave. Phila., PA 19114 at 9:30 AM followed by his Funeral Mass at 10:30 AM. Interment Our Lady of Grace Cemetery.