Richard M. Bloch

Richard M. Bloch
Rochester, NY, USA
Death date
Associated organizations
Honeywell Inc., Auerbach Corp., General Electric Co
Fields of study


Richard M. Bloch was born in Rochester, N.Y., USA, and graduated from Harvard in 1943. Afterwards, he worked as a research associate in its engineering division. He served as vice president for Honeywell Inc., Auerbach Corp. and General Electric Co.

Mr. Bloch invented the standard computer procedure for automatic-error detection known as Parity Check, which is used in virtually all computers. He holds the patent for the weighted-count checking system, which allows digital computers to function. Mr. Bloch also taught programming to Grace Hopper, inventor of COBOL, an early computer language.

Bloch died on May 22nd, 2000.