That would probably be a tie between Albert Einstein and Sir Isaac Newton.
The most famous scientists were Benjamin Franklin, Thomas Edison, and Richard Hawkins Albert Einstein many other people from the 1700's until the 1900's.
The famous scientist of the Hellenistic era was Archimedes.
professor Einstein
Albert Einstein
Archimedes
The most famous scientist in history was probably Albert Einstein. I say this because he is known as "The Greastest Scientist Who Ever Lived." Plus there is the fact that he invented the equasion E=MC Square. Basically that formula is saying that you can say that instead of "The universe is made up of 3 ingredients," you can say: the universe is made up of 2 ingredients.
Archimedes
Galileo was the most famous Elizabethan/Jacobean scientist, credited with inventing the telescope among other things. Galileo was the most famous Elizabethan/Jacobean scientist, credited with inventing the telescope among other things.
Dr. Henry Lee is pretty famous...
Albert Einstein
Aryabhatta
Michelle Thaller
The most famous painting ever is the Mona Lisa by Leonardo da Vinci.