They were ambitious students at Cambridge University who went on to climb the ranks of British government and intelligence. But they had a secret. All the while, they were working for the Soviet Union. For a transcript of this episode: https://bit.ly/campusfiles-transcripts To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices