As an historian of intelligence and global security at Harvard University’s Kennedy School of Government, I study the hidden histories of great power conflicts—espionage, subversion, sabotage, past and present. Read More >

I write about public policy.

Helping to run the Applied History Project at Harvard’s Kennedy School, I engage widely with the public and policymakers. Through commentary, and by contributing to broadcast programs, my work brings historical perspectives to present-day intelligence and national security affairs. Read More >

I’ve written
two books.

My first book, EMPIRE OF SECRETS (Harper-Press 2013) is a gripping account of British intelligence during the last days of the empire. My new book, to be published in 2023, is SPIES: The Epic Intelligence War Between East & West (Simon & Schuster/Little Brown) and will take readers inside the shadow conflict that has raged between Russia and the West for over a century. Read More >

I Comment on Current Events.

But I thought #Brexit would lead to… never mind

“The UK economy will shrink and perform worse than other advanced economies, including Russia”

Today is Holocaust Memorial Day. We remember the six million Jewish men, women and children murdered by the Nazis and their collaborators, all victims of Nazi persecution and the victims of subsequent genocides. #HMD2023 #HolocaustMemorialDay

One case that will be appearing on the website accompanying my book, #Spies, is a British wartime double-agent code named TRICYCLE

Dusko Popv was a playboy. He lived the high life, as his tailor bills show.

But behind all his fast cars &women, he had clues about Pearl Harbor…


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