The letter concerns importation of spectrophotometers into Germany and France, the Economic Cooperation Administration (ECA), and post-war atomic energy restrictions.
Depicts Justus von Liebig, known for his work in agricultural and organic chemistry.
Cachet depicts Otto Hahn's equipment and the nuclear fission of uranium atoms. Stamp shows Hahn's diagram of the splitting of the uranium nucleus. Hahn was the Nobel Prize Winner for Chemistry in 1944.
- 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…
Arnold O. Beckman, founder and CEO of Beckman Instruments, is standing on the right. The other people in this image are unidentified.