Harold E. Johns
Harold Elford Johns, OC (4 July 1915 – 23 August 1998) was a Canadian medical physicist, noted for his extensive contributions to the use of ionizing radiation to treat cancer.
Read more about Harold E. Johns: Early Life and Education, Early Career, Development of Cobalt-60 in Medical Treatment, Ontario Cancer Institute, Awards, Further Reading
Famous quotes containing the word johns:
“I think every womans entitled to a middle husband she can forget.”
—Adela Rogers St. Johns (b. 1893)