Offprints of Papers by W S Preddy Contains: A memorandum from P B Medawar to J B S Haldane dated 25 Mar 1953 enclosing documents relating to W S Preddy, and emphasising that Preddy's sponsorship is the concern of Haldane alone; Offprint of a paper titled On the Determination of Aspheric Profiles by E Wolf and W S Preddy, published in the Proceedings of the Physical Society; Offprint of a paper titled Discharge of Sewage and Indsustrial Wastes to Estuaries by B A Southgate and W S Preddy, first presented at a Sessional Meeting of The Royal Sanitary Institute on 2 April 1952. Mar 1952