Professor Geoffrey Jefferson: 1946 tour to Austria, lecturing on recent advances in neuro-surgery.
Dr C E M Joad: 1946 tours to Belgium and Sweden, lecturing on culture, ethics and civilization.
Sir Harold Spencer Jones: 1948 tour to Poland and Czechoslovakia, lecturing on astronomy.
Sir Lancelot Keay: 1948 tour to the Netherlands, lecturing on architecture and urban planning and development.
Dorothy Keeling: 1946 tour to Austria and Hungary; 1947 tour to Poland, lecturing on social services and welfare provision.
Sir Frederic Kenyon: 1946 tour to Spain, lecturing on recent discoveries concerning the Bible.
Commander Stephen King-Hall: 1946 tour to Denmark, lecturing on Britain in the post-war world.
Ruth Landa: 1946 tour to France, lecturing on problems of reconstruction in the leather, textile and coal industries, and on social and domestic life in England.
John Lehmann: 1945 tour to Czechoslovakia; 1946 tour to Greece; 1947 tour to Austria, lecturing on poetry and English literature.
Dr Bernard Lewis: 1948 tour to Egypt and Sudan, lecturing on Islamic and middle eastern themes in English literature.
The Countess of Limerick: 1946 tour to Sweden lecturing on British voluntary societies and civilian relief in Europe.
Lord Lindsay of Birker: planned tour to Austria.
Kenneth Lindsay MP: 1945 tour to France and Belgium; 1946 tour of Belgium, Luxembourg and the Netherlands; 1947 tour of Italy, lecturing on British education and the British parliamentary system.
Major Eric Linklater: 1945 tour to Sweden and Finland, lecturing on Evelyn Waugh, James Bridie and General Alexander.
Sir Robert Bruce Lockhart: 1947 tour to Denmark, Norway and Sweden; 1948 tour to Czechoslovakia, lecturing on the English character and the Scots in Northern Europe.
Edward Lockspeiser: 1946 tours to Belgium, lecturing on recent developments in British and Belgian music, and the role of the BBC.
Jack Longland: planned 1947-1948 tour to Switzerland.
Dr Kathleen Lonsdale: 1946 tour to France and 1948 tour to Norway, Sweden and Denmark, lecturing on x-rays, crystallography and uses of atomic energy.