Letter from A V Hill, Secretary of the Royal Society, to J B Skemp, Secretary for the Society for the Protection of Science and Learning Agrees that there must be many refugees 'serving in the forces without our knowledge'. Notes that H E Zerkowsky has been serving in the Pioneer Corps and Friedlander has done secret work for the Admiralty. Discusses a meeting with Sir Charles Sherrington and agrees with his criticism of Skemp's draft - notes that the SPSL must be careful to avoid introducing political motives in their work. 22 October 1945