Letter from Assistant Secretary to the Academic Assistance Council to Mr Winckworth Esq. MA, The Royal Society, Burlington House, Pccadilly, London W1 Received at the royal Society 15 September 1933 ' While Miss Wynn in on holiday, we have working temporarily with us in her place, Miss D L Haldin. Helping us temporarily and at irregular intervals, are Professor F H Levy, Professor Ginsberg, Mr G P Wells and Professor H Levy, in addition to Professor Estermann, about whom we have already informed you. ' 4 September 1933