2 Ian Fleming(Author of James Bond Series)
Ian Fleming was a British writer, naval intelligence officer, and journalist. Fleming is credited with creating one of the most popular characters of all time, James Bond. His James Bond series of novels have sold more than 100 million copies, making them one of the best-selling fictional book series in history. Jamaica’s Ian Fleming International Airport is named after him.
3 Eli Cohen(Spy)
4 Hiroo Onoda(Japanese Army intelligence officer)
5 Noor Inayat Khan(Spy)
Noor Inayat Khan was a British spy who served in a secret British World War II organization called Special Operations Executive (SOE) during the war. She was also the first female radio operator to be sent into occupied France from the UK to aid the French Resistance. She was subsequently caught and executed at a Nazi concentration camp.
Robert Hanssen is a former FBI agent who was convicted of spying against the U.S., for the Russian intelligence agencies. Hanssen reportedly sold countless classified documents containing U.S. nuclear and military strategies. He pleaded guilty to avoid the death penalty. He eventually received 15 life sentences, without parole.
7 Ethel Rosenberg(Spy)
8 Aldrich Ames(Former CIA Officer & Agent for the Soviet Union & Russia)
Aldrich Ames is a former CIA officer who later became a KGB double agent. He was convicted of spying and is currently serving a life sentence. He allegedly worked as a Soviet spy and revealed classified CIA data. He inspired the 1998 film Aldrich Ames: Traitor Within.
9 Kim Philby(Intelligence Agent)
British intelligence officer Kim Philby was also a Soviet double agent. He was part of the spy group known as the Cambridge Five and leaked classified information to the Soviet Union during World War II and the Cold War. He later defected to Moscow and spent his final years there.
10 Klaus Fuchs(Theoretical Physicist and Atomic Spy)
German theoretical physicist Klaus Fuchs worked on many significant theoretical calculations relating to the first nuclear weapons. He was also an atomic spy who provided information about nuclear weapons production to the Soviet Union during World War II. He was convicted and jailed for nine years, following which he resumed his career as a physicist.
11 Virginia Hall(Espionage agent)
12 Oleg Gordievsky(Secret Double Agent)
13 E. Howard Hunt(Author, Intelligence officer)
14 Violette Szabo(Former Special Operations Executive (SOE) agent during the Second World War)
15 Ashraf Marwan(Egyptian billionaire who worked as a spy for the Israeli Mossad and deceived Israel in 1973 war.)
Ashraf Marwan was an Egyptian billionaire businessman and diplomat. He is best remembered for his work as a spy for Mossad, Israel's national intelligence agency. In 2002, it was revealed that Ashraf Marwan had been working for Egyptian Intelligence and that he may have misled Mossad with wrong information in the years leading up to the Yom Kippur War.
16 Krystyna Skarbek(Intelligence agent)
17 Sidney Gottlieb(American Chemist and Spymaster Who Headed Project Mkultra)
Sidney Gottlieb was an American spymaster and chemist who played a major role in the CIA's mind-control program and assassination attempts during the 1950s and 1960s; the illegal human experimentation program which he headed was called Project MKUltra.
18 Donald Maclean(Diplomat)
While he was a member of the British Foreign Office, diplomat Donald Maclean was also simultaneously spying for the Soviet Union as part of the Cambridge Five, supplying them confidential information. He eventually vanished from England and reappeared as a Communist in the Soviet Union, years later.
19 John Cairncross(British civil servant)
20 Richard Sorge(Journalist, Intelligence Officer)
Richard Sorge was a German journalist and Soviet military intelligence officer. He was active before and during the Second World War. He worked undercover in both Nazi Germany and the Empire of Japan under the codename, "Ramsay." He was arrested, tortured, and hanged in 1944. In 1964, he was posthumously awarded the title of Hero of the Soviet Union.
21 Theodore Hall(Physicist)
22 Odette Hallowes(Intelligence agent)
23 Markus Wolf(Intelligence officer)
24 David Greenglass(Spy)
25 William Stephenson(Fighter pilot, businessman and spymaster who served as the senior representative of the British Security Coordination (BSC) for the western allies during World War II)
26 Duško Popov(Double agent)
27 Konon Molody(Soviet spy)
28 Edwin P. Wilson(Businessman)
29 Ursula Kuczynski(Spy)
30 Tamara Bunke(Communist revolutionary East German/Cuban spy Journalist)
31 Theodore Schurch(Soldier, Spy)
32 Peter Wright(Intelligence officer)
33 Miles Copeland, Jr.(Musician, businessman, CIA founder)
34 John Vassall(Spy)
35 John Gardner(Spy)
36 George Koval(U.S. Born Soviet Spy)
American chemical engineer George Koval was one of the most significant Soviet spies of the 20th century. Born to Belarusian immigrants in Iowa, Koval later moved to Russia with his family. Codenamed Delmar, he later worked in the U.S. atomic laboratories and supplied classified information to Russia.
37 Sasha Filippov(Spy)
38 Harro Schulze-Boysen(Military officer, Spy)
39 Madeleine Damerment(Spy)
40 Andree Borrel(Spy)
41 Yuri Shvets(Former Major in the KGB between 1980 and 1990)
42 Jovica Stanišić(Head of the State Security Service (SDB) within the Ministry of Internal Affairs of Serbia from 1992 until 1998)
43 Heba Selim(Spy)
44 Duncan Scott-Ford(Spy)
45 Eileen Nearne(Spy)
46 Pearl Cornioley(British wartime agent)
47 Hotsumi Ozaki(Journalist, Spy)
48 Alan Nunn May(Physicist)
British physicist Alan Nunn May went down in history as a traitor who betrayed Britain and the U.S. by passing on confidential information about the Manhattan Project, or the development of the atom bomb, to the Soviet Union, as a spy. Sentenced to 10 years of hard labor, he served 6.