This biography of Richard Feynman takes the reader on a journey through his life and describes, in language that is accessible to the general public, the revolutionary contributions that he has made to modern physics. Feynman was a thinker who challenged conventional wisdom and who persistently sought to get to the bottom of things. As a result of his efforts, he developed an intuitive perspective, which helped him become one of the most influential educators in the field of physics. The author depicts this progression and provides an explanation for it within the framework of the zeitgeist of contemporary physics: What ground-breaking ideas did Richard Feynman have? What was his contribution to the growth of quantum mechanics and quantum field theory? How can Feynman’s methods be comprehended?