Age 71, of Needham, MA, died peacefully in his home from cancer, after living with the disease for 17 years. Husband of Ruth, father to Aaron and Marla, grandfather to Adria, Fraser and Eric. Brother of Susan Keenberg and Ronni Rittenhouse. He was a 1964 graduate of M.I.T. and 1968 Rutgers University PhD majoring in civil engineering. He had his own computer consulting business active up to the month before his death on November 14, 2013. His greatest joy was his family and playing percussion in the klezmer band Shir Madness.Services were private. Expressions of sympathy may be made to Dana Farber Cancer Center, Boston, MA or to Good Shepherd Community Care, 90 Wells Ave, Newton, MA 02459.