A book, titled 'The American', with an inscription addressed to Dorothy Gunn. The inscription, dated the 11th of December 1944, reads: "To: Dorothy Gunn An Englishwoman who understands and likes Americans, and who by her faith and genius has made a unique contribution to the success of American Air Power against Germany.

Lewis

Powell, Jr Lt. Col.

C." Dorothy Gunn was an Air Ministry Civilian, TSAO(D) at Bletchley Park between 1941 and 1945. During her time there she worked in the Mansion, Hut 10 and Block A, (room 117) Block F(A), (room 21) Air Section - Air intelligence. Lewis

Powell Jr. was a member of the Intelligence Staff of the United States Strategic Air Forces in Europe. Powell was assigned to Ultra, as one of the officers designated to monitor the use of intercepted Axis communications. He worked in England and in the Mediterranean Theater and ensured that the use of Ultra information was in compliance with the laws and rules of war, and that the use of such information did not reveal the source.

He went on to become an Associate Justice of the US Supreme Court.

📌 Book inscribed to Bletchley Park Air Ministry Civilian Dorothy Gunn
🏢 Chiffriermaschine
📍 Dorothy