Development and use of cobalt 60 for cancer therapy

This is a video clip describing the development and use of cobalt 60 for cancer therapy.

Courtesy of the Canadian Medical Hall of Fame.

© CHIN 2001


"Dr. Johns, along with graduate student Silvia (Fidora?) applied basic physics with a pain-staking thoroughness to develop cobalt 60. This major technological achievement could now treat deep seated and difficult to access tumours through cobalt therapy."

Teachers' Centre Home Page | Find Learning Resources & Lesson Plans