John Semer Farnsworth, Date of Birth, Place of Birth, Date of Death

John Semer Farnsworth

US Navy Officer convicted of Spying for Japan in 1930s

Date of Birth: 13-Aug-1893

Place of Birth: Chicago, Illinois, United States

Date of Death: 10-Nov-1952

Profession: military officer, spy

Nationality: United States

Zodiac Sign: Leo

John Semer Farnsworth (August 13, 1893 – November 10, 1952) was a United States Navy officer who was convicted of spying for Japan during the 1930s.
He was identified as Agent K in radio messages intercepted by the Office of Naval Intelligence (ONI).