Quote of the day
The theoretical understanding of the world, which is the aim of philosophy, is not a matter of great practical importance to animals, or to savages, or even to most civilized men.
Waldemar Lindgren

Born: February 14, 1860
Died: November 3, 1939 (aged 79)
Bio: Waldemar Lindgren was a Swedish-American geologist. Lindgren was one of the founders of modern economic geology.
Known for:
- Mineral deposits (1913)
- The Ore Deposits of New Mexico (1910)