Feynman's Rainbow by Leonard Mlodinow

Feynman’s approach encouraged him to follow his interests wherever they might lead. He posed questions and constantly scanned for solutions to long-standing problems in his reading, conversations, and everyday life. When he found one, he could make a connection that looked to others like a flash of unparalleled brilliance.

There is a reason why the best scientists are also often very good teachers. For someone like Richard Feynman, everything was about understanding, regardless of whether he was doing research or teaching. His famous Feynman diagrams are primarily tools to make understanding easier and his lectures are famous because they help students to really unde