Feynman developed a pictorial representation scheme for the mathematical expressions describing the behavior of subatomic particles, which later became known as Feynman diagrams and is widely used.

Feb 11, 2026 · Richard Feynman was an American theoretical physicist who is widely regarded as the most brilliant, influential, and iconoclastic figure in his field in the post-World War II era.

For comments or questions about this edition please contact The Feynman Lectures Website. Richard Feynman talking with a teaching assistant after the lecture on The Dependence of Amplitudes on …

Physicist Richard Feynman explains the scientific and unscientific methods of understanding nature.

A volume of Feynman’s stories was published in 1985 as Surely You’re Joking, Mr. Feynman. Even better than he’d ever expected, the book became a national best seller, spreading his particular …

Sep 8, 2025 · Few twentieth-century scientists fused originality, clarity, and playfulness as completely as Richard Feynman. He made quantum electrodynamics practical, reshaped how working physicists …

In 1948 in particular, Richard Feynman contributed to creating a new quantum electrodynamics by introducing Feynman diagrams: graphic representations of various interactions between different …