Cachet depicts Frederick Banting and Charles Best with a description of how they isolated and refined insulin as an independent hormone.
- Artist Ray Webber
- Contributor British American Bank Note Company
- Subject Science on postage stamps, Banting, Frederick Grant, Sir, 1891-1941, First day covers (Philately), Physicians, Postage stamps, University of Toronto, Medical scientists, Nobel Prize winners, Canada, Best, Charles Herbert, 1899-1978, Cachets (Philately), and Commemorative postage stamps
Cachet includes two depictions of Lord Rutherford and text, "World Famous Scientist Pioneering in Radioactivity and Nuclear Physics." The research program in the field of radioactivity undertaken by Rutherford at…