Calendar: 1971-1972 Page 445

lxx Annual Report of the Delegacy lectured at Johns Hopkins and Brandeis Universities He also contri- buted to the first national meeting of the Royal Spanish Society of Physics and Chemistry at Barcelona Dr Arnott attended the eighth international congress of the International Union of Crystallography in Buffalo and Stony Brook New York and presented paper on 'Nucleic acid conformations' He was an invited speaker at the Glasgow Symposium 'Crystallo- graphy 1928-1970 and beyond' held to honour Professor Roberton Dr Jacobs was an invited speaker at symposium on micro- tubules at the Society of Experimental Biology Dr Lednev joined the Medical Research Council Unit for two years from the Biophysics Institute of the Academy of Sciences to work on X-ray diffraction of muscle DEPARTMENT OF BOTANY Number of Students 'Ancillary' Botany 110 Sc 29 Research 15 Departmental Notes Dr Weser Tubingen visited the department with European Molecular Biology Organisation fellowship to work on metallo- proteins Dr Murray Sydney Dr Rao Hawaii and Dr Smith Durham were appointed as postdoctoral research fellows supported by Science Research Council funds Dr Cowan was elected Secretary of the Board of Studies in Botany one-day meeting of the British Photobiology Society on 'The Biochemistry of Photosynthesis' was held in the department in June Professor Whatley attended the international congress spon- sored by the International Biological Programme on 'Primary Pro- duction in Photosynthetic Systems' held in Moscow in October 1969 He also took part in colloquium of the Chemical Society at Sheffield 'Metals in Biological Systems' in February Dr Palmer and Professor Whatley attended the inter- national colloquium on bioenergetics held near Bari in September They both presented papers