Excerpt:
There is a parlor game physics students play: Who was the greater genius? Galileo or Kepler? (Galileo) Maxwell or Bohr? (Maxwell, but it's closer than you might think). Hawking or Heisenberg? (A no-brainer, whatever the best-seller lists might say. It's Heisenberg). But there are two figures who are simply off the charts. Isaac Newton is one. The other is Albert Einstein. If pressed, physicists give Newton pride of place, but it is a photo finish -- and no one else is in the race.