Heroic Science and Scientists

Karl Popper

Most important philosopher of Science in the 20th century

Theory of Falsification

Heroic Science

Bold Ideas

New

Daring

Have Great Risk of being False

Severe Attempts at "Refutation"

Critical Discussions

Empirical Tests

Demarcation

Heroic Scientists

Galileo

Kepler

Three Laws of Motion

Approximations

But, not True

Newton

Einstein

Theory of Gravitation

Bold

Excellent Approximation

Different Observable Effects

Copernicus or Aristarchus

Bold

Clashed with aaccepted views

Postulated a hitherto unknown hidden reality

Not Bold

No Feasable Experiment

No New Observable Appearances