Calendar: 1957-1958 Page 423

ANNUAL REPORT XXXV11 of the transition state in simple surface reactions has been developed Robertson Work on co-ordination compounds and on exchange reactions with zeolites and silicates has been carried out Beattie Hydrogen exchange reactions in aromatic compounds in both aqueous and non-aqueous media have been studied Satchell Distinguished visitors to the department during the year include the Duke of Edinburgh see and Academician Nesme- yanov the President of the Moscow Academy of Science and formerly Rector of the University of Moscow Academician Nesmeyanov delivered lecture to postgraduate students on Some reactions of diazonium salts The department has been fortunate to act as host during the session to Professor Davies of the University of Alberta to Professor Iskander of the University of Alexandria and to Dr Abramo- vitch an Fellow of the Weizmann Institute Rehovot Professor Hey gave lectures at the University of Cambridge Trinity College Dublin Imperial College Chelsea Polytechnic Regent Street Polytechnic the University of Exeter University College of Swansea and at the Portsmouth Technical College Dr Robertson delivered lecture at the City of Liverpool College of Technology DEPARTMENT OF PHYSICS Number of Students First Year Medical 32 Sc General 66 Ancillary Physics 53 Sc Special 81 Postgraduate 37 Total 269 First Degrees lst Class Honours β 2nd Class Honours Upper Division 2nd Class Honours Lower Division 3rd Class Honours Higher Degrees Ph Kelly Studies of the physical and chemical properties of collagen Ph Macario study of the propagation of audio frequency radio waves radiated by lightning discharges Ph North X-ray-diffraction studies of collagen Sc Humphreys Absorption spectra of diamonds and of sulphur in the visible and ultra-violet regions