Stamp depicts chemical glassware, electron microscope, molecule, and microscopic view of cell.
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…
Stamp printed in USSR shows bomb, globe, model of an atom, Sputniks, and a ship.
Soviet postage stamp commemorating the 20th anniversary of the Institute for Nuclear Research of the Russian Academy of Sciences
Stamp published by the Soviet Union depicts images of an atom and the Institute for Nuclear Research of the Russian Academy of Sciences.
Depicts Albert Einstein and his formula for mass-energy equivalence.