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Dr. Sydney Mary Duder (née Fisher) was born on April 5, 1921, in Quebec, Canada.
She received her BSW, MSW, and Ph.D. (1987) from McGill University and had a long and illustrious career as a professor and supervisor at the McGill School of Social Work (1972-2019). In 2020, she retired at the age of 98 after 45 years of teaching with the school.