Dr John Harold “Jack ” Plumb
Certificate of Service
Summary of Service
Bletchley Park December 1940 - 1945. Block B, Naval Section. Head of German, Italian and, later, Japanese crypto-intelligence. Later Head of Japanese naval Traffic Analysis sub-section. Naval Section Intelligence Staff Officer from May 1945.
Commemorated On The Codebreakers Wall
Leicester and Cambridge - Christ's College
Post war fellow, later Master, of Christ's College Cambridge; Professor of Modern English History. Knighted 1982.