What do you think was the most important idea of the last century?

Question

What do you think was the most important idea of the last century?

Answer 1

That tyrants should be held legally responsible for their actions - the Nuremberg trials set a precedent that is being followed in the Hague with the Rwandan and Bosnian/Serb/Croat war criminals.

Answer 2

Human rights.

Answer 3

penicillin

Answer 4

That Newtons Physics were limited to the very large observable world and the physics proposed by Einstein explained the unseen world.

Answer 5

The fall of communism in most of the eastern European countries.  The realization that pure communism does not work and that absolute power corrupts absolutely.

Answer 6

Computers and the internet