Cachet depicts chemical apparatus used in the petroleum industry. Stamp depicts Paul Sabatier, "founder of catalytic chemistry."
- 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 and stamp depict the Swedish chemist and physicist Svante Arrhenius.
Stamp depicts Albert Einstein and the the equation of mass-energy equivalence (E=MC2). Einstein has been featured on numerous stamps from around the world. His first appearance on a stamp is believed to be on this…