Espionage

A portrait of Sir Walter Ralegh, a favourite of Queen Elizabeth I, c1588. (Photo by ACTIVE MUSEUM / Alamy Stock Photo)

“The rankest traitor in all England?” Walter Ralegh on trial

Alan M Turing and colleagues working on the Ferranti Mark I Computer, 1951.

Second World War

The Library Alan Turing: The man, the enigma

Staff hard at work at Bletchley Park. The people who worked here did so under conditions of utmost secrecy, and with little idea of how their work slotted into the grand scheme of things. (Photo by SSPL/Getty Images)

Second World War

Alan Turing was not the only star of Bletchley Park

Code-breaking personnel at Bletchley Park, 1943. (Photo by Bletchley Park Trust/SSPL/Getty Images)

Second World War

The evolution of British code-breaking

A photograph of Bletchley Park codebreaker Alan Turing (1912–54). (Photo by Fine Art Images/Heritage Images/Getty Images)

Second World War

7 things you didn’t know about Bletchley Park and Alan Turing

Podcast Website large Nadine Akkerman

Female spies of the Civil War era

Podcast Website large Rory Cormac

Britain’s foreign policy secrets

Spies through the ages podcast

General ancient history

Spies through the ages

Podcast Website large Roland Philipps

Second World War

The mystery of Donald Maclean

Krystyna Skarbeck, also called Christine Granville

Second World War

My history hero: Krystyna Skarbek

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President Kennedy holds a press conference shortly before the failed 'Bay of Pigs' invasion of Cuba. (Photo by Michael Ochs Archives/Getty Images)

Bay of Pigs invasion: Kennedy’s Cuban catastrophe

Adolf Hitler in uniform. (Bettmann/Getty Images)

Second World War

The Third Reich’s nuclear programme: Churchill’s greatest wartime fear

Podcast Website large Helen Fry

Second World War

Britain’s secret wartime prison

Children at the Berlin Wall on Sebastianstrasse, Berlin - Kreuzberg - in around 1964. (Photo by Lehnartz/ullstein bild via Getty Images)

The Library The secret history of the Berlin Wall

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