Without knowing mathematics, he writes one of the best books of physics ever written, virtually devoid of equations. He sees physics with his mind’s eye, and with his mind’s eye creates worlds. James Clerk Maxwell is a rich Scottish aristocrat, and one of the greatest mathematicians of the century. Despite being separated by a gulf in intellectual style as well as social origin, they succeed in understanding each other—and, together, combining two kinds of genius, they open the way to modern physics.

