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
- after 1970 – before 1991
Stamp depicts Alexander Fleming and penicillin.
- after 1950 – before 1995
Stamp depicts profile of Fritz Haber who received the Nobel Prize in Chemistry in 1918 for developing a process to synthesize ammonia from nitrogen and hydrogen gas, which allowed for the large-scale synthesis of…
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…