The renowned physicist had spent years at the very heart of Britain and the United States’ nuclear programmes.

Historian Christopher Andrew says in the official history of MI5 that the queen had previously ... whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence ...

Papers released by MI5 show that although Blunt confessed ... after when his fellow spies Guy Burgess and Donald Maclean fled to the Soviet Union. He had been a close friend of Burgess since ...

Papers released by MI5 show that although Blunt confessed ... when his fellow spies Guy Burgess and Donald Maclean fled to the Soviet Union. He had been a close friend of Burgess since their ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday ... whose members spilled secrets to the Soviet Union from the heart of ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday ... whose members spilled secrets to the Soviet Union from the heart of ...