Secretary to Oscar D Ratnoff, University Hospitals of Cleveland, Ohio Says letter arrived after Florey had left Oxford - Florey does not expect to be back until mid August - believes Florey will be in Oxford during morning of 15 August but will not be available in the afternoon - understands that Dr Macfarlane is away at present and that his secretary has told Ratnoff that the School of Pathology will be closed during August. 25 June 1959