George Beiser was an American engineer who worked for Bell Aircraft during World War II and supplied Andrey Shevchenko, an inspector at Bell Aircraft, information on machine tools from Bell Aircraft. The information was then transmitted to Moscow by Soviet intelligence. In a Venona project decryption Beiser is described as an "idealist" and "left-winger".
George Beiser is referenced in the following Venona project decrypt:
780, 792, KGB New York to Moscow, 25 and 26 May 1945.
- John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America (New Haven: Yale University Press, 1999).