FRANZ LUDWIG VON CANCRIN (1738-1812), German mineralogist and metallurgist, was born on the 21st of February 1738, at Breitenbach, Hesse-Darmstadt.
JAMES SMITHSON (1765-1829), British chemist and mineralogist and founder of the Smithsonian Institution at Washington, a natural son of Hugh Smithson, 1st duke of Northumberland,.
GIOVANNI BATTISTA BROCCHI (1772-1826), Italian mineralogist and geologist, was born at Bassano on the 18th of February 1772.
ALEXANDRE BRONGNIART (1770-1847), French mineralogist and geologist, son of the eminent architect who designed the Bourse and other public buildings of Paris, was born in that city on the 5th of February 1770.
JOHANN NEPOMUK VON FUCHS (1774-1856), German chemist and mineralogist, was born at Mattenzell, near Brennberg :in the Bavarian Forest, on the 15th of May 1774.