1888 — Ernst Kretschmer was born. Kretschmer's constitutional theory of personality classified people into asthenic, athletic, pyknic, and displastic types. He thought that bipolar disorder was associated with the pyknic type and schizophrenia with the asthenic and athletic types.
1897 — George Dinsmore Stoddard was born. Stoddard is known for his contributions to educational administration and leadership. His research focused on intelligence and environmental stimulation. He chaired the committee that restructured the postwar Japanese educational system and consulted with educational programs in Korea, East Africa, and Iran.
1946 — The Department of Psychology was founded at the University of Saskatchewan. T. W. Cook was the only psychology professor when classes began in 1947.
1953 — Volume 1 of Ernest Jones's The Life and Work of Sigmund Freud was published. Jones's series comprises the standard biography of Freud.
1973 — The first World Mental Health Conference was held in Sydney, Australia.
1974 — The first National Conference on Experiential Education was held at Estes Park, Colorado.
1986 — Congress passed Public Law 99-457, amending the Education for All Handicapped Children Act (Public Law 94-142) by providing for state programs of early intervention for infants and toddlers with disabilities. Programs were to include individualized family service plans for the cognitive, linguistic, and psychosocial development of children with disabilities from birth to 2 years of age.
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