Sir Humphry Davy often incorrectly spelled Humphrey, was a Cornish chemist who discovered several chemical elements and studied the human body's response to electricity. He is generally credited with inventing the Miners' Safety Lamp, although
George Stephenson also claimed the invention.
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- Fortunately science, like that nature to which it belongs, is neither limited by time nor by space. It belongs to the world, and is of no country and of no age. The more we know, the more we feel our ignorance; the more we feel how much remains unknown; and in philosophy, the sentiment of the Macedonian hero can never apply, — there are always new worlds to conquer.
- Discourse Delivered at the Royal Society (30 November 1825)