L B Geffen, University of the Witwatersrand, Johannesburg to Brown Has just learned of his appointment under the Nuffield Dominions Scheme as a Demonstrator in Brown's Department from 1 October - would like to start later than 1 October as feels obliged to assist with Physiology professional examinations in November at University of Witwatersrand although could be released earlier - also needs to make domestic and travel arrangements - hope this does not cause inconvenience - would like to arrive in Oxford in December. 5 August 1963