Robert L Birnbaum age: 81 Known as: Robt Birnbaum Rob C Birnbaum Bob C Birnbaum Robert M Related to:Joel Birnbaum, 55 Has lived in:New York, NY Cambridge, MA Weston, MA Boston, MA Robert J Birnbaum age: 71 Known as: Robt Birnbaum Robert J Birnbuam Has lived in:Cambridge, MA Forest Hills, NY Robert J Birnbaum age: 94 Known as: Bob J Birnbaum Rob J Birnbaum Robert Birnbarm Has lived in:West Hartford, CT Cambridge, MA Farmington, CT Bloomfield, CT Robert L Birnbaum Related to:Harold Birnbaum, 42 Joel Birnbaum, 55 Shana Birnbaum, 52 Claudia Birnbaum Has lived in:Cambridge, MA Boston, MA Robert J Birnbaum Known as: Bob J Birnbaum Rob J Birnbaum Related to:Nancy Pitt, 88 Erica Melmed, 39 Has lived in:Cambridge, MA