Dinner during the 8th Meeting of the Scientific and Technical Working Group of COPERS, held in Montana, Switzerland, on 29 and 30 January 1963. From left to right: Pierre Blassel (COPERS Secretariat), Michel Bignier, French delegate, Professor Robert Boyd, UK delegate, Dr Reimar Lüst (West Germany and co-ordinating secretary), Mr DE Page, UK delegate, and Dr Alexander Hocker, chairman of the AWG and German delegate.