Karl J. Himpelmann - devoted son of the late Katharina and Lorenz Himpelmann;  loving brother of Monika (the late Anthony) Castiglioni, Peter (Zulma) and Christa (Ronald) O'Keefe;  beloved uncle of Philip, Ronald Jr., Lisa, Stephen, Barbara, Brian, Julie, Kimberly, Gina and Colleen;  great uncle of many and a dear friend of many.  Longtime employee at AT&T.  Memorial visitation Monday from 4-7 p.m. at Cooney Funeral Home 3918 W. Irving Park Rd.  Service at 7 p.m.  Info 773-588-5850 www.cooneyfuneralhome.com