 In common with many on the periphery of Special Operations Executive (SOE), knowledge of his wartime service is hazy.He was most closely associated with propaganda, and from 1941 was a member of the Underground Propaganda Committee (UPC) which had been formed to fuel a whispering campaign to undermine any invasion.He was also associated with Bletchley Park, and was involved in supporting resistance activity, notably, from 1943, of the Yugoslavian Partisans where he met Josip Broz Tito.