Letter from Howard Walter Florey to A C Ritchie, Department of Pathology, Toronto Comments on possible candidates for post in Ritchie's department - says Robb-Smith might know of someone - says Henry Harris takes over as Professor of Pathology on 1 October - comments on this - hopes to see Ritchie when he next visits Oxford - is very busy with his duties as President of the Royal Society and as Head of the College. 19 July 1963