Dr Walker was Head of the Foreign and Commonwealth Office’s Arms Control and Disarmament Research Unit (ACDRU) from December 2014 to May 2020 when he retired from the FCO. He joined ACDRU in March ...

Walker is about to play a role in the Thunderbolts* film this year, and conversations about the character are going to intensify. John Walker is a fascinating character, one that deserves better a ...