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Stamp depicts August Kekule with the chemical structure of a benzene ring.
English postage stamp commemorating Walter Norman Haworth's 1937 Nobel Prize in Chemistry and the 100th anniversary of the Royal Institute of Chemistry
While celebrating its centenary in 1977, the Royal Institute of Chemistry of Great Britain shared honors with English Nobel prize winners in chemistry and physics. This stamp commemorates W. N. Haworth's receipt of the…
Stamp depicts Louis Pasteur with microbes as seen through a microscope.
Stamp was issued on the occasion of a Natural Rubber Conference held in Kuala Lumpur, Malaysia, in 1968. It depicts a space-filling model of isoprene and a representation of the traditional way of collecting natural…
- Postage stamp commemorating the National Council of Science and Technology (Mexico)
Mexican postage stamp honoring the Consejo Nacional de Ciencia y Tecnología (National Council of Science and Technology), which was founded in 1970. Equivalent to the National Science Foundation (United States), the…
Stamp depicts scales weighing jars of jam, with text, "2 1/4 lbs of Jam is a little more than a kilogram."
Depicts logo for Expo '67 inside a diagram of an atom (diagram may represent an orbiting spacecraft).
- Cuban postage stamp promoting The World United Against Malaria campaign
Cuban postage stamp printed to promote world anti-malaria campaign. Depicts a chinchona plant and chemical formulas for chloroquine and primaquine, medications used to treat malaria.
Stamp issued to publicize the 20th Congress of the International Union of Pure and Applied Chemistry (IUPAC), held in Moscow, July 12-18. The names of both the organization and the host city are spelled with chemical…