Scope and Contents
These papers mostly consist of correspondence and articles. The papers all deal with intelligence matters such as access to wartime records, claims of espionage, memories of wartime code-breaking-related activities and publications by former Bletchley Park staff or about Bletchley Park.
Conditions Governing Access
The collection is open for consultation by researchers using Churchill Archives Centre, Churchill College, Cambridge. Churchill Archives Centre is open from Monday to Friday, 9am-5pm. A prior appointment and two forms of identification are required.
Biographical / Historical
Milner-Barry was born 20 September 1906, the son of Professor E. L. Milner-Barry. In 1947 he married Thelma Tennant Wells and they had one son and two daughters. He died 25 March 1995.
Milner-Barry studied classics at Trinity College, Cambridge. He began by working for a firm of stockbrokers, 1929-38. He was one of the senior code-breakers at Bletchley Park, 1940-45. He was Gordon Welchman's deputy at Bletchley Park and was primarily responsible for the vital "cribs" of Hut 6 and in 1943 he took over responsibility for Hut 6. On 21st October 1941, Milner-Barry along with Alan Turing, Gordon Welchman, Hugh Alexander wrote directly to Churchill to seek more staff for Bletchley Park. Milner-Barry delivered the letter personally to 10 Downing Street and Churchill gave them his support. Milner-Barry had a lifelong interest and talent in chess - he was British Boy Champion, 1923 and also a member of the British International teams, 1937-61. He was playing chess for Britain in Argentina when war broke out, and worked as Chess Correspondent for "The Times" newspaper 1938-45. After the war he was Principal, HM Treasury, 1945, and became Assistant Secretary in 1947. He was Director of Organisation and Methods, Treasury, 1954-58, Director of Establishments and Organisation, Ministry of Health, 1958-60, and Under-Secretary, Treasury, 1954-66.