Johan Gadolin, Finnish chemist, physicist, and mineralogist (died 1852)

Johan Gadolin was a Finnish chemist, physicist and mineralogist. Gadolin discovered a "new earth" containing the first rare-earth compound yttrium, which was later determined to be a chemical element. He is also considered the founder of Finnish chemistry research, as the second holder of the Chair of Chemistry at the Royal Academy of Turku. Gadolin was ennobled for his achievements and awarded the Order of Saint Vladimir and the Order of Saint Anna.