O. Harold Warwick

Google:

Bio:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3108871/
O. Harold Warwick: Canada’s first medical oncologist

O. Harold Warwick graduated in medicine from McGill University as a gold medalist and Rhodes Scholar in 1940. After World War II, he started postgraduate training in Montreal, and in 1946, he began studying the newly described drug treatment of cancer in London, England. There he carried out the first study of nitrogen mustard in a group of adult patients with a non-hematologic solid tumour, lung cancer. After a brief period of practice in Montreal, he moved in 1948 to Toronto, where he became executive director of the Canadian Cancer Society and the National Cancer Institute of Canada.
Pioneered the use of vinblastine sulphate in cancer trials.