Calendar: 1961-1962 Page 420

ANNUAL REPORT xxxix Higher Degree Ph Astro-physics Van Der Burg Axi-synnnetric solutions in general relativity Departmental Notes In addition to organizing special intercollegiate study-group on The foundations of algebraic Geometry Professor Semple gave lectures on Terpstra's theory of infinitely near points" to the University of London Geometry Seminar on Principles of Geometry at the University of Southampton and on Dr Hermann Schubert 1848-1911 Hamburg schoolmaster discoverer of the Schubert Cal- cuius at Royal Holloway College Professor Bondi visited Cornell University Ithaca from March to July 1960 and while in America he delivered lectures at the University of Toronto the University of Texas the University of Michigan and at the National Aeronautics and Space Administration Washington During the year he gave lectures also to the following organizations Faculty of Science Glasgow University British Association at Truro and at Reading Royal Institution Evening Dis- course on What the stars are made of" Royal Institution Research Day Chelsea College of Advanced Technology National Physical Laboratory Imperial College Mathematical Society University College London He broadcast talk for the on cosmology and discussion with Dr Lyttleton and Dr Bonnor on he gave talk on The Clock Paradox He was appointed Planning Co-ordinator for the College as from July 1960 Dr Scott gave lecture on Differential forms and their in- tegrals at the International Colloquium held in August at Saltino di Vallombrosa Florence Italy He gave lectures also to the University of London Geometry Seminar and to the University of Nottingham Mathematical Society Dr Frohlich gave the following lectures two lectures on Modules and Discriminants of relative fields to the University of Cambridge Number Theory Seminar lecture on Discriminants of number fields 'י to the University of Oxford Algebra Seminar He attended the International Colloquium on Homological Algebra at the Mathematical Research Institute at Oberwolfach Germany where he gave lecture on Non-commutative homological algebra Dr Pirani visited Germany in the spring and lectured on Gravitationswellen י to the Deutsche Physikalische Gesellschaft Berlin He also gave the following lectures Theory of gravitational redshift" at Harwell Theoretical Physics Division "Geometry and Gravitation at Hull Lfniversity and Unsolved problems in Einstein's Relativity Theory at King's College Newcastle He visited Dublin Institute for Advanced Studies where he gave statutory public lecture