- Charles Hard,1915–2015, U.S. physicist and educator: Nobel Prize in physics 1964.
- Charles Hard. born 1915, US physicist, noted for his research in quantum electronics leading to the invention of the maser and the laser; shared the Nobel prize for physics in 1964
- American physicist who invented the maser, laying the foundation for the development of laser technology. In 1964 he shared with Russian physicists Nicolay Gennadiyevich Basov and Aleksandr Mikhailovich Prokhorov the Nobel Prize for physics.