Karl Popper
Marxism & psychanalysis are not science
3 theories
Einstein
Most successful
5. Declared his theory false
4. Predictions crucial
3. Derived 3 important predictions of diff. observable facts
2. Not the theories truth which decides its scientific character
1. Bold theory
Newton
Kepler
Boldness of scientists
Making bold predictions
Making daring conjectures
His contibution shaped the way scientists think
For s statement to be scientific, it must be falsifiable
Was a philosopher