Abstract Gertrude Wilson (1895-1984) was considered a pioneer in the development of social-group work as a specialty within social work. She eventually became involved in the American Association for the Study of Group Work where the field of social-group work was just emerging. Beginning in 1935, Wilson headed the social-group work department of the University of Pittsburgh's School of Social Work, where she remained for a dozen years, ultimately becoming Associate Dean. There she wrote and...