Frank Wigglesworth Clarke
Born: March 19, 1847
Died: May 23, 1931 (aged 84)
Bio: Frank Wigglesworth Clarke of Boston, Massachusetts, and Washington, D.C. was an American scientist and chemist. Sometimes known as the "Father of Geochemistry," Clarke is credited with determining the composition of the Earth's crust.
Known for:
- The Elements of Chemistry (1884)
- A Recalculation of the Atomic Weights (1882)