Archive - Spionage

The Umbrella Gun

The Mysterious Assassination of Georgi Markov

May 22 •

Unbeautiful Music

Songs, Spies, and Codes

May 8 •

April 2025

A Polish Spy in Hitler's High Command

Apr 2 •

March 2025

A New Golden Age: The Secret Letters of Mary Queen of Scots

AI is aiding codebreaking, but humans still matter more

Mar 21 •

June 2024

Homeland of Poisons

The Venetian Secret Service and Assassination

Jun 12, 2024 •

February 2024

(De)Ciphering the Holocaust

Bletchley Park, German Police Intercepts, and the Final Solution, 1941-42

Feb 15, 2024 •

January 2024

The Secret World of Eighteenth-Century Intelligence, Part 2

Intelligence During the American War of Independence

Jan 31, 2024 •

The Secret World of Eighteenth-Century Intelligence

Apologies for the long absence, but I’ve been swamped by work: namely, that U-boat book I’ve mentioned before.

Jan 24, 2024 •

May 2023

Louis de Wohl and Astrological Intelligence in World War Two

May 30, 2023 •

March 2023

The Lesser Evil

The Career of Wilhelm Höttl, Nazi Intelligence Peddler

Mar 24, 2023 •

February 2023

The Other Casanova

A Spy for the Venetian Secret Service

Feb 16, 2023 •

The Search for Szek

The Greatest Spy of the Great War Vanishes Without Trace, or Did He?

Feb 3, 2023 •

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