What is Humphry Davy most famous for? Sir Humphry Davy, in full Sir Humphry Davy, Baronet, (born December 17, 1778, Penzance, Cornwall, England—died May 29, 1829, Geneva, Switzerland), English chemist who discoveruding sodium and potassium) andpounds, invented the miner’s safety lamp, and became one of the greatest.
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