 Smythies served as president of the International Society of Psychoneuroendocrinology from 1970 to 1974 (31), consultant to the World Health Organization from 1963 to 1968 (32), and editor of the "International Review of Neurobiology" from 1958 to 1991.He was elected a member of the Athenaeum in 1968 (33).He published over 200 scientific papers and 16 books.