Letter from A S C van Karnebeek, to Sir Henry Thomas Tizard, Foreign Secretary of the Royal Society, Burlington House, W.1. 'Ambassade der Nederlanden, 21a Portman Square, London, W.1. Sir, Further to my letter of the 19th June last, No. 4006, I am writing to inform you that the Koninklijke Akademie van Wetenschappen in Amsterdam would be pleased to receive you. I understand that the Committee of the said institution is already in touch with you and this Embassy will gladly give you any assistance you may require. Yours faithfully, A S C van Karnebeek' 19 October 1945