Quote of the day
Optimism is essential to achievement and it is also the foundation of courage and true progress.
Ernest Nagel

Born: November 16, 1901
Died: September 20, 1985 (aged 83)
Bio: Ernest Nagel was an American philosopher of science. Along with Rudolf Carnap, Hans Reichenbach, and Carl Hempel, he is sometimes seen as one of the major figures of the logical positivist movement.
Known for:
- The Structure of Science (1961)
- Go del's proof (1958)
- An Introduction to Logic
- Gödel's Proof (1958)