Calendar: 1975-1976 Page 481

Annual Report of the Delegacy cix quaternion fields' He gave postgraduate courses in the University of London on 'Algebraic number theory' and on 'L-functions' Professor Higgins was appointed Visiting Professorial Fellow University of Wales where he spent the Summer Term During this period he gave Colloquium lectures on 'Word problems' and 'Groups acting on trees' at Cardiff Swansea Aberystwyth and Bangor He addressed the Sixth Form Conference and the Schools Council con- ference on mathematics curriculum both at Nottingham Professor Kilmister was elected President of the British Society for the History of Mathematics in December 1973 He gave the annual sixth-form lecture of the Norfolk branch of the Mathematical Associa- tion at the University of East Anglia on Ά new look for applied mathematics' and gave three Gresham lectures on 'An introduction to the Philosophy of Mathematics' October 1973 He also gave three Gresham lectures on 'Form the interaction of geometry and the real world' and two lectures to undergraduates of the University of Wales on history of mathematics course 'The development of the concept of force' Professor Pirani was appointed Corresponding Member International Centre for Theoretical Physics Trieste Professor Taylor was made member of the Committee of the Schools Mathematical Association and of the Scientific Advisory Committee to the International Society of Psychoenergetics He addressed Royal Institution Discourse June 18th-26th on 'The Forces of Nature' and was the organiser and speaker at one-day conference on Psychoenergetics at King's College London he lectured on 'Prob- lems in quantum gravity' at the International Conference on Functional Integration and its Applications London on 'Science and the super- natural' at the Bath Academy of Art on 'The shape of minds to come' to the London Association of Jewish Graduates on 'Gravitational collapse and quantum mechanics' at the Department of Nuclear Physics University of Frankfurt on 'Models of the brain' to the Institute for General Zoology University of Mainz on 'The re- normalisation of quantum gravity' to the Department of Physics Uni- versity of Tubingen on 'Modelling the mind conscious automata' to the Institute of Information Theory University of Tubingen on 'Black holes and quantum gravity' to the Department of Physics University of Mainz on 'Black holes' to the London Mathematical Association to the University of Kent Student Society and to the Oxford Polytechnic Students Association to the Liverpool and