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Max Pearson presents a collection of this week's Witness History episodes from the BBC World Service all about figures branded as traitors.

In 1939 Wang Jingwei, once a national hero in China, signed an agreement with Japanese invaders which made his name synonymous with the word \u2018Hanjian\u2019, a traitor to China. But Pan Chia-sheng\u2019s memories of living under Wang Jingwei\u2019s government in Nanjing tell a very different story.

Our guest Ian Crofton, author of Traitors and Turncoats, explains the nuances involved in our historic understanding of traitors.

Also, the fascist Norwegian politician Vidkun Quisling blamed for convincing the German dictator Adolf Hitler to invade Norway in 1940. Norwegian journalist Trude Lorentzen explains the story with an account she recorded from Quisling\u2019s Jewish neighbour, Leif Grusd.

And, the story of the former Broadway showgirl, known as Axis Sally, who broadcast antisemitic Nazi propaganda on German State Radio during World War Two, told through the archives.

Plus, the Polish colonel, Ryszard Kuklinski, code-named 'Jack Strong', who passed Soviet military secrets to the CIA that changed the tide of the Cold War.

And, the Hungarian S\xe1ndor Sz\u0171cs, famous for playing in the country\u2019s star football team, who was executed in 1951 for trying to defect from the communist regime.

Contributors:\nPan Chia-sheng - on Wang Jingwei.\nIan Crofton - author of Traitors and Turncoats.\nTrude Lorentzen - Norwegian journalist on Vidkun Quisling.\nAris Papas - one of the agents who received intelligence from Ryszard Kuklinski.

Erzsi Kov\xe1cs\u2019 story is told using an archive interview he gave in 2011 to Hungarian journalist Endre Kadarkai on the Arck\xe9p programme, on Zuglo TV.

(Photo: Mildred Gillars, known as 'Axis Sally', on trial for treason in 1949. Credit: Corbis via Getty Images)