Alexander Vassiliev

Alexander Yuryevich Vassiliev (; born 1962) is a Russian-British journalist, writer and espionage historian living in London who is a subject matter expert in the Soviet KGB and Russian SVR. A former officer in the Soviet Committee for State Security (KGB), he is known for his two books based upon KGB archival documents: ''Spies: The Rise and Fall of the KGB in America'', co-authored with John Earl Haynes and Harvey Klehr, and ''The Haunted Wood: Soviet Espionage in America: the Stalin Era,'' co-authored with Allen Weinstein. Provided by Wikipedia