Quote of the day
To solve a problem or to reach a goal, you don't need to know all the answers in advance. But you must have a clear idea of the problem or the goal you want to reach.
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)






