Offprints, including Penrose's Hazards of Nuclear Tests.
Press cuttings on the International Conference on the peaceful uses of Atomic Energy.
Material relating to lectures on the effect of radiation damage in man.
Papers, minutes of meetings and reports connected with Penrose's work on the Genetical Society's Committee on the Genetical Effects of Radiation, and the Medical Research Council's Committee on the Medical Aspects of Nuclear Radiation.
Reports, notes and minutes in connection with committees investigating the long-term effects of radiation damage in man.
Correspondence relating to committees, broadcasts and reports on the long-term genetic effects of radiation and atomic bomb explosions on human populations.