Calendar: 1966-1967 Page 394

Annual Report of the Delegacy lxix of Hong Kong in May where he gave public lecture and two seminar talks in addition to acting as external examiner in mathematics Professor Bondi gave the three Scott Lectures within the Uni- versity of Cambridge in 1964 lecture on gravitational waves at Florence and on steady state cosmology at Padua in connection with the Galileo celebrations nine lectures at the Brandeis University Summer Institute on Theoretical Physics two lectures on gravitation and general relativity at the Universite Libre de Bruxelles seminar on spherical configurations of high potential Universite de Paris four lectures in the Summer Science School of the University of Sydney colloquium at the Clarendon Laboratory Oxford addresses to the Oxford and Cambridge Universities Humanist Groups talk on education to the southern Surrey branch of the National Association of Head Teachers and lectures on relativity gravitation or cosmology to Reading University Mathematical Society Reading University Physical Society Kingston College of Technology Royal Holloway College Physical Society the Midland Branch of the Mathematical Association Birmingham the Royal College of Science Mathematical and Physical Society the British Society for the Philosophy of Science University College Chemical and Physical Society the London Science Club King's College School Astronomical Society St Thomas's Hospital Medical School Northern Polytechnic Physical Society Marlborough College Liverpool University Mathematical Society and the Oxford and District Branch of the Mathematical Association Professor Frohlich lectured on 'Module conductors' to the international colloquium on Algebraic Number Theory at Ober- wolfach Germany and on 'Some properties of Artin's conductor' to the Austrian Mathematical Congress Graz He also gave lecture courses on 'Local fields' to the London Mathematical Society summer school and on 'Global fields' at Queen Mary College London Dr Allan gave lectures on 'The dynamo theory' and on 'Convection of field through surface' at the NATO Advanced Study Institute on Planetary Magnetism at Newcastle-upon-Tyne in April 1965 he also gave lecture on 'Convection of field' at the University of Oxford Theoretical Physics colloquium in May 1965 Dr Higgins gave course of lectures in the London University advanced and postgraduate series on General Algebraic systems' Dr Kilmister spoke to the Hertfordshire Science Teachers' Association vacation course on 'Gravitation' he gave lecture to the