Davy is a common name that can refer to various individuals, but one notable figure is Sir Humphry Davy, a British chemist and inventor. He is best known for his discoveries in the field of electrochemistry and for isolating several elements, including sodium and potassium. Davy also invented the safety lamp for miners, which significantly improved safety in coal mines. In addition to his scientific contributions, Davy was a prominent figure in the early 19th century and was elected to the Royal Society. His work laid the foundation for modern chemistry and influenced many future scientists, making him a key figure in the history of science.