Letter from Carrie Gold to A & C Black Ltd., 4, 5 and 6 Soho Square, London W1V 6AD, England Informing them that the John L Wetherill chair is held concurrently with the Directorship of the Center for Radiophysics and Space Research. Gold was appointed John L Wetherill Professor in 1971, but has been Director of the Center since 1959. 29 May 1973