Nobelpristagare Fysiologi Eller Medicin: set of 5 stamps, each value 2.70 Skr, celebrating Nobel prizewinners in Physiology or Medicine, issued by Posten Frimarken, Sweden 29 November 1984. Set in perforated strip adhered to folder, 4.5x8.6cm opening to 17.1x4.5cm. Featuring the work of: Georg von Bekesy 1961 (sound in electric signals in inner ear); John Eccles, Alan Hodgkin and Andrew Huxley 1963 (impulses in nerve cells); Bernard Katz, Ulf von Euler, Julius Axelrod 1970 (signal substances and nerve cells); Roger Sperry 1981 (functional differences of two halves of human brain); David Hubel, Torsten Wiesel 1981 (information processing in vision system)