Correspondence with Sir Alexander Fleming

Fleming to Craddock, 30 Oct 1941, enclosing a rough ts draft 'of what I think you did on this subject', i.e. Craddock's penicillin and acne research

Fleming to Craddock, 19 Nov 1941

Fleming to Craddock, 11 Jul 1944

Fleming to Craddock, 6 Sep 1944

Fleming to Craddock, 26 Feb 1945

Fleming to Craddock, 15 Feb 1946

Fleming to Craddock, 26 Jul 1948

Fleming to Craddock and his wife Ursula, 23 Dec 1953