She was born in Canora, and obtained her B.A. (Great Distinction) 1949 for which she also received the Governor General's Gold Medal; B.A. (High Honours in Physics) 1950; and M.A. 1951 from the University of Saskatchewan.
She was a key member of the research team that developed the world’s first calibrated cobalt-60 therapy unit.
She worked on campus for the next 35 years as Chief Medical Physicist with Saskatoon Cancer Clinic and with the Saskatchewan Cancer Foundation, where she was Director of Physics Services. She also was a Professor of Oncology and an associate member in the Department of Physics.
From 1986-98 she was University Chancellor and served on the Board of Governors from 1986-2005. In 1988, she was installed as Saskatchewan’s 17th Lieutenant Governor – the first woman to hold the post, and served from 1988-1994.
Fedoruk was an outstanding student athlete and avid curler in her adult life. She was inducted into the Saskatchewan Sports Hall of Fame and Saskatoon Sports Hall of Fame as a member of the Joyce McKee rink, and in 1986, into the Canadian Curling Hall of Fame.
In 2006, Dr. Fedoruk was awarded the honorary degreeDoctor of Laws from the University of Saskatchewan for contributions in science and public service.
She died on September 26, 2012.