When news reached Los Alamos of [Alan Nunn] May's arrest, the wife of one of the British scientists commented, "I knew him fairly well. But I don't know how you would describe him. He was like - why, he was rather like Klaus [Fuchs] here." Fuchs, who was later revealed as the most important of the British atomic spies, is said to have smiled politely and commented that he did not think May could have told the Russians anything of real importance.
Christopher Andrew, The Defence of the Realm















