About Humphrey Davy
[Wikidata] British chemist... | [Wikipedia] Sir Humphry Davy, 1st Baronet was a British chemist and inventor who invented the Davy lamp and an early form of arc lamp. He is also remembered for isolating, by using electricity, several elements for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron
