SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Humphrey Davy (1778-1829), British chemist. Davy invented the miner's safety lamp (Davy lamp). In 1807 and 1808, he discovered the elements potassium, sodium, calcium, barium, magnesium and strontium. Between 1801 and 1812 he worked and lectured as a professor at the Royal Institution, London. He was elected Fellow of the Royal Society in 1804, knighted in 1812, and awarded a baronetcy in 1818. He was President of the Royal Society from 1820 to 1827. This engraving by James Thomson, from the 1820s, is based on a portrait by James Lonsdale. It was republished in 'History of the Institution of Electrical Engineers 1871-1931' (Appleyard, 1939).
Model release not required. Property release not required.