General scientific correspondence Comprising: A M Lassek, 1941, 1942 Sir Charles Sherrington, 1947 Derek Denny-Brown, 1948 William D M Paton, 1951 John F Fulton, 1951 Sir Frederic Bartlett, 1952 Sir Russell Brain, 1957 John Cohen, 1957, 1964 Auguste Tournay, 1958 K P Lashley, 1958 & nd K J Zlch, 1962 Joseph Needham, 1963 Bernard Towers, 1964 David Bowsher, 1964 John Woodward, 1968. 1941-1968