Porter Raymond Lee (1879–1939), social work education pioneer, helped to formulate a generic social casework theory. He was general secretary of the Philadelphia Society for Organizing Charity and was instrumental in organizing the American Association of Schools of Social Work.
Larraine M. Edwards
John F. Longres
Gordon Hamilton (1892–1967) was a practitioner, an educator, a consultant, and writer whose works, including Theory and Practice of Social Casework, profoundly influenced the development of casework theory. She was editor in chief of Social Work from 1956 until 1962.