Donald S. Williamson (1935–)
Donald S. Williamson has been known for his approach to intergenerational family theory and therapy as well as for his contributions in the field of medical family therapy. Born in Dungannon, Northern Ireland, in 1935, Williamson moved to the USA in 1961 to pursue a degree at a joint doctoral program in Pastoral Psychology at Garret Theological Seminary and Northwestern University. He worked for 2 years from 1964 to 1966 at the Menninger Clinic in Topeka, Kansas, before graduating. Originally ordained as a Methodist minister, Williamson credited his first encounter with family therapy to his clinical education at Menninger where he saw Don Jackson demonstrating family therapy sessions (Lawson 1994). Since then Williamson had become an active contributor and leader in the marriage and family therapy field, influencing generations of family therapists through his multiple roles as an administrator, educator, researcher, clinician, and...