Stamp depicts Boeing 707, chemical apparatus, and heavy oxygen isotopes.
First Day Cover commemorating United Nations efforts for the cessation of nuclear testing and preservation of humanity
Cachet and stamp depict a mushroom cloud from a nuclear weapons test. Cachet was created by Fleetwood and the stamp was commissioned by the United Nations Postal Administration. Postmark depicts the United Nations…
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 Postage stamps, Best, Charles Herbert, 1899-1978, University of Toronto, Commemorative postage stamps, Banting, Frederick Grant, Sir, 1891-1941, Science on postage stamps, Canada, Nobel Prize winners, Medical scientists, Cachets (Philately), First day covers (Philately), Physicians
Cachet depicts chemical apparatus used in the petroleum industry. Stamp depicts Paul Sabatier, "founder of catalytic chemistry."
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…