Joseph S. Rubenfeld
Joseph S. Rubenfeld,
an American electrical engineer, computer scientist and software professional. He holds a B.Sc. in EE from Carnegie Mellon University in 1967, and a M.Sc. in CS from University of Pittsburgh in 1969 . While affiliated with Carnegie Tech, he worked with their CDC G-21 system  , and developed the CMU Chess Program along with Robert W. Walker. He and his chess program was mentioned in a letter by L. Stephen Coles to Allen Newell and Herbert Simon, concerning Mac Hack VI and computer chess at Carnegie Tech .
- Joseph S. Rubenfeld, Robert W. Walker (1968). CMU Chess Program - Listing. October 26, 1968, pdf from the CIT G-21 site
- Joseph Rubenfeld | LinkedIn
- Jesse T. Quatse (1965). Design of the G-21 Multi-Processor System. Carnegie Institute of Technology,pdf from the CIT G-21 site hosted by Mark Camillo DiVecchio
- Alan H. Bond (1968). Interactive Programming at Carnegie Tech. Artificial Intelligence 3, Literature: Reports hosted by Atlas Computer Laboratory
- L. Stephen Coles (1967). Memorandum - Chess at Carnegie Tech. pdf