This is an opinion question, it's all what you think. There is no one best scientist. I'm not going to blow up on why you asked that, so here are some scientists to consider thinking are the best;
Aristotle, Socrates, Albert Einstein, Benjamin Franklin….
that he became a great scientist
Someone who studys the world and the way it is
Academy Award for Best Picture is the greates prize in the film industry.
Scientists see the world as what it is; laypeople view it according to what they believe it is.
The scientific method is a scientist way to learn about and study the world around them
Stephen hawking is the World's no.1 scientist.
Cars.
Isaac Newton
descending order
No, Einstein WAS a great scientist in the world.
6.
mohamed ali