School 09

Derek William Sida

November 4, 1926 ~ September 2, 2019 (age 92)


Sida, Derek William


Retired Professor of Mathematics (Carleton University), and an outstanding teacher, passed away peacefully on September 2, 2019 in his 93rd year.  A former Chair of the Department of Mathematics and Dean of St. Patrick’s College, Derek also served as Salary Chair of the Ontario Confederation of University Faculty Associations; Treasurer of the Canadian Association of University Teachers; and President, Salary Chair and Chief Negotiator of the Carleton University Academic Staff Association.  A fellow of the Royal Astronomical Society and the Royal Canadian Astronomical Society, Derek also taught at Leeds University, England and the University of Otago, New Zealand. Derek is survived by his spouse Pat Finn and his 3 daughters: Bridget (Stephen McNally), Rachel, and Judith (John Hole). He was grandfather to Kevin, Jeffrey (Shannon), Ryan, Emily, Laura and Ian and great-grandfather to Owen. A family celebration of life was held September 6.  In lieu of flowers, donations to the Ottawa Heart Institute or the Kidney Foundation would be appreciated.


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University of Ottawa Heart Institute
40 Ruskin Avenue, Ottawa ON K1Y 4W7

Kidney Foundation of Canada
1790 Courtwood Crescent, Ottawa ON K2C 5B5
Tel: 1-613-724-9953

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