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Grimaldi, Francesco Maria (1618–1663)





Francesco Grimaldi
Italian Jesuit physicist and astronomer who was the first to describe the diffraction of light (in a work published posthumously in 1665) and the first to attempt a wave theory of light. He verified Galileo's law of the uniform acceleration of falling bodies, drew a detailed map of the Moon, and began the practice of naming lunar features after astronomers and physicists.


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   • ASTRONOMERS AND ASTROPHYSICISTS