Calendar: 1975-1976 Page 482

cx Annual Report of the Delegacy Branch of the Institute of Physics and to Dacorum College of Further Education on 'Black holes and quantization' to the Theoretical Physics Division AERE Harwell on 'Modelling the mind' to the Biological Society University of Manchester He was also made resident scientist to the TV Series 'Stump the Scientist' Ά Scientist Looks at Science Fiction' Programme 'Faster than light Discovery Series Overseas Services 'Science Government and Re- sponsibility' Schools Service Interviewed on Granada TV 'Mystery' Series Participant in 'Psychic Healing' Programme Dimbleby Talk-In 'The Black Holes of Gravity' Horizon Pro- gramme Dr Isham was appointed Reader in the Department from October 1st 1973 He gave an opening review talk at the 1974 Con- ference on Quantum Gravity held in Oxford on 'An introduction to quantum gravity' and also review talk at the Theoretical Astro- physics Conference in Trieste in September 1974 on' Quantum gravity -a status report' Dr Tyrrell addressed the London-Sussex Geometry Seminar and the title of his talk was Ά theorem of Frank Budden's' Dr Davies gave seminar on 'Black holes' to the Mullard Space Science Research Laboratory and gave lecture on 'Time' at the Nottingham Physical Society Dr Erdos gave talk to the Mathematics Colloquium at the University of Kent on' Triangular forms for compact operators' to the Mathematics Seminar at Liverpool University on 'Compact operators and invariant subspaces' He also gave an invited address to the Royal Irish Academy Symposium on Spectral Theory Trinity College Dublin on 'Some questions concerning triangular operator algebras' He also attended the International Congress of Mathematicians at Vancouver Canada Dr Harvey gave an invited lecture at the Conference on Com- plex Analysis at the University of Maryland September 1973 Dr Hodgkin gave course of lectures on Unitary Representa- tions of the Lorentz group postgraduate level by invitation to the University of Algiers in April 1974 Also he attended the International Congress of Mathematicians in Vancouver August 1974 and delivered short lecture on 'The K-theory of most well-known spaces' Dr David Nunn gave three lectures at the SSTP COSPAR Sym- posium at Sao Paulo Brazil he also gave lecture at AGARD NATO meeting in Edinburgh and two lectures at the NATO Advanced Study