Calendar: 1975-1976 Page 476

civ Annual Report of the Delegacy Society and he presented paper at symposium on isotope effects held by the Chemical Society He was session chairman at the 2nd Symposium on Physical Organic Chemistry of the International Union of Pure and Applied Chemistry at Nordwijkerhout Netherlands and was the representative of the Chemical Society at the van't Hoff Centenary Celebration held at the University of Leyden Professor Gold was appointed Titular Member of the newly formed Commission on Physical Organic Chemistry and con- tinued to serve on the Board of Management of the University of London Computer Centre Professor Mason lectured at the Universities of Oxford and Sussex and at Queen's University Belfast and at the XVIth International Con- ference on Co-ordination Chemistry held in Dublin He chaired committee set up by the Chemical Society to commemorate the bi- centenary in 1974 of the discovery of oxygen by Joseph Priestley 1733-1804 and acted as session chairman at the Conference on Co- ordination Chemistry in Dublin Professor Mason has been elected to the Council of the British Society for the History of Science and has organised the formation of historical chemistry group of the Chemical Society Professor Reese gave plenary lectures at symposium on 'Recent developments in oligoribonucleotide synthesis' held in Poznan Poland and at the Vth International Conference on Organic Phosphorus Chemistry at Gdansk He also delivered lectures at the University of Glasgow and at University College London to the Nucleotide Group of the Biochemical and Chemical Societies held in Manchester and at the European Symposium on Bio-organic Chemistry held at Gregynog Wales Professor Robertson read paper at meeting organised jointly by the Vacuum and Electronics Groups of the Institute of Physics and paper by himself and Mr Hibbert was presented at meeting of the United Kingdom Field Emission Discussion Group Professor Robertson was appointed member of the Council of the University of London Institute of Education Dr Satchell gave the introductory lecture at symposium on 'Acylation' organised by the Fine Chemicals Group of the Society of Chemical Industry Dr Davies was member of the scientific committee for the International Symposium on Organic Free Radicals held at Sirmione Italy where he also read paper and acted as session chairman