The History of Terrorism
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Political science
Subfields of political science
Political philosophy
American political philosophy
Federalism in the United States
1789-Today Federal Government of the United States
Executive branch of the government of the United States
The US White House
Silvermaster spy ring
Attachments
Category:Silvermaster_spy_ring
FBI Silvermaster File
Parents
1789-Today United States Department of the Treasury (USDT)
1941-1947 US Army Air Forces AKA USAAF or AAF
American spies for the Soviet Union
Nathan Gregory Silvermaster
Soviet espionage in the United States
Spy rings
The US White House
Children
1945-? FBI Silvermaster File
1947 In late August or early September 1947, the Army Security Agency informed the FBI it had begun to break into Soviet espionage messages.
Anatole Boris Volkov
Elizabeth Bentley
Harry Dexter White
Helen Silvermaster
Ullmann was "chief photographer of stolen government documents for the Silvermaster espionage ring" while a Major in the Material and Services Division of the Army Air Corps.
William Henry Taylor
William Ludwig Ullmann