Correspondence of Henry Thomas Tizard Material compiled by Tizard as Foreign Secretary of the Royal Society. Includes discussion of topics including the provision of hospitality to foreign colleagues; the Warren Research Fund; visits and meetings overseas, in particular with fellow scientists from Norway, Denmark, the Netherlands, France and the USA; research in aeronautics; Royal Society Foreign members; resumption of collaboration with overseas academies of science after the war, with reference to the International Council of Scientific Unions. 1940-1946