Correspondence General correspondence including re appointments to the Council; medical liaison with the United States; 'H11' - an alleged cure for cancer; reports on Council activities; support for medical research in the tropics; appointment of Peter Medawar as Director of the National Institute for Medical Research; Dale's retirement from the advisory committee established under the provisions of the Therapeutic Substances Act 1925; and Sir Landsborough Thomson's history of the Council 1941-1967