Mary Ainsworth
Mary Dinsmore Salter Ainsworth (/ˈeɪnswɜrθ/; December 1, 1913 – March 21, 1999) was an American-Canadian developmental psychologist known for her work in early emotional attachment with "The Strange Situation" as well as her work in the development of Attachment Theory.
Read more about Mary Ainsworth: Life, Early Work, Strange Situation