Sir Humphrey Davy
Mackenzie
Sir Humphrey Davy was born on December 17, 1778 in Penzance, England. He is attributed to inventing the "Davy lamp" as well as discovering several elements, including chlorine and sodium. Some other experiments he conducted involved nitrous oxide, heat generated friction, silver nitrate in photography, determining plants that could be used in the tanning process, and chemicals that could be used as fertilizers. Throughout his lifetime, he as become a member of the Royal Irish Academy, the Royal Society, as well as a professor at the Royal Institution of Great Britain. He was knighted by George IV and is married to Jan Apreece.