A postage stamp honoring the 37th President of the United States, Richard Milhous Nixon, exists as part of the United States Postal Service’s historical series. Typically, such stamps feature a portrait of... Read more »
While the celebrated physicist Richard Feynman is primarily known for his contributions to quantum mechanics, quantum electrodynamics, and the physics of superfluidity, less widely recognized is his engagement with philately. This pursuit... Read more »
