 It was said of Brian that " his partnership with Joan Simon cannot be extracted from Brian’s work as a whole".In the 1950s, she and her husband Brian investigated, described and publicized the views of A. R. Luria and L. S. Vygotskii, founders of cultural-historical psychology in the then Soviet Union.In the Autumn of 1958 Brian was one of the founders of "FORUM", a journal devoted to educational issues.