Mark Gayn was an American left wing journalist

Journalist

A journalist collects and distributes news and other information. A journalist's work is referred to as journalism.A reporter is a type of journalist who researchs, writes, and reports on information to be presented in mass media, including print media , electronic media , and digital media A...

 and a Soviet

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 spy.

He was born in China to Russian-Jewish parents who had migrated from Russian Empire

Russian Empire

The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

. He went to school in Vladivostok

Vladivostok

The city is located in the southern extremity of Muravyov-Amursky Peninsula, which is about 30 km long and approximately 12 km wide.The highest point is Mount Kholodilnik, the height of which is 257 m...

 and was proponent of the Chinese Communists. Gayn wrote for Collier's and the Washington Post and was arrested in the FBI raid on the offices of the Institute for Pacific Relations (IPR) Amerasia

Amerasia

Amerasia was a journal of Far Eastern affairs best known for the 1940s "Amerasia Affair" in which several of its staff and their contacts were suspected of espionage and charged with unauthorized possession of government documents.-Publication:...

office in June 1945. Almost 2000 U.S. Government documents, from various agencies and departments including the U.S. State Department and the Office of Strategic Services

Office of Strategic Services

The Office of Strategic Services was a United States intelligence agency formed during World War II. It was the wartime intelligence agency, and it was a predecessor of the Central Intelligence Agency...

(OSS) marked "Top Secret" were confiscated in the raid.