Herman R. Jacobson
From Conservapedia
Herman R. Jacobson was an American citizen and an employee of Avery Manufacturing Company of New York during World War II. Jacobsen also maintained a covert relationship with Soviet intelligence. Jacobsen worked with the New York KGB office and was assigned the cover name "S-I"
Venona
Herman R. Jacobson is referenced in the following Venona project decryptions:
917 KGB New York to Moscow, 28 June 1944 943 KGB New York to Moscow, 4 July 1944 971 KGB New York to Moscow, 11 July 1944
References
John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America (New Haven: Yale University Press, 1999).