Top ten physicists of all time:
Source: BBC. I would move Bohr up a notch or two, but these folks ("100 of today's leading physicists") probably know more than I.
1. Albert Einstein
2. Isaac Newton
3. James Clerk Maxwell
4. Niels Bohr
5. Werner Heisenberg
6. Galileo Galilei
7. Richard Feynman
8= Paul Dirac
8= Erwin Schrödinger
10. Ernest Rutherford
Source: BBC. I would move Bohr up a notch or two, but these folks ("100 of today's leading physicists") probably know more than I.