After watching the 'Cosmos' series and reading his books, I think Carl Sagan must be one of the greatest geniuses to have lived. I believe a genius is somebody who understands the bigger picture. He's definitely got it in perspective. Cosmos should be required viewing in schools.
Tesla is surely missing here
I think he was the smartest man who ever lived on Earth.
Nikola Tesla is more brilliant than all of them....
ah damn I should have picked Leonardo. but Einstein is good too.
I don't know. This depends of personal opinion, I think, since all of them were supreme.
After watching the 'Cosmos' series and reading his books, I think Carl Sagan must be one of the greatest geniuses to have lived. I believe a genius is somebody who understands the bigger picture. He's definitely got it in perspective. Cosmos should be required viewing in schools.