Mary Dinsmore Ainsworth was an American-Canadian developmental psychologist known for her work in the development of the attachment theory. She designed the strange situation procedure to observe early emotional attachment between a child and... Wikipedia
Born: December 1, 1913, Glendale, OH
Died: March 21, 1999 (age 85 years), Charlottesville, VA
Known for: Strange situation
Parents: Charles Salter and Mary Salter
Education: University of Toronto
Spouse: Leonard Ainsworth (m. 1950–1960)
Doctoral advisor: William E. Blatz