| Description | Correspondence between the Medical Research Council and Penrose, consisting of 5 letters. Consists of a letter from Brandon Lush inviting Penrose to a meeting of the Committee on the Hazards to Man of Nuclear and Allied Radiations to consider the publication of the report of the United Nations Scientific Committee, dated June 1958; two letters from Penrose to John Faulkner, June to July 1955, and two letters from Penrose to R H L Cohen, December 1955, regarding memoranda for the MRC Committee Panel on Genetic Effects. |