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Feynman Lectures on Physics

California Institute of Technology via Independent


These three volumes are a self-contained pedagogical treatise. They are also a historical record of Feynman’s 1961–64 undergraduate physics lectures, a course required of all Caltech freshmen and sophomores regardless of their majors.

Now, anyone with internet access and a web browser can enjoy reading a high-quality up-to-date copy of Feynman's legendary lectures.

This edition has been designed for ease of reading on devices of any size or shape; text, figures, and equations can all be zoomed without degradation



Volume I: mainly mechanics, radiation, and heat

Volume II: mainly electromagnetism and matter

Volume III: quantum mechanics

Lecture Photos 1961-62: 1314 flp lecture photos

Lecture Photos 1962-64: 1729 flp lecture photos

Feynman's Notes: 611 pages of flp lecture notes

Original Course Handouts 1961-63: 744 pages of flp student handouts

Taught by

Richard Feynman, Robert Leighton, Matthew Sands


5.0 rating, based on 1 Class Central review

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  • I read these over and over back in the early seventies when they first came out. (Later I listened to the lectures on audio-tape and was astonished at the difference. Jack (is it?) did one hell of a job editing them. He wasn't quite as spot on when he edited the 25th Anniversary edition recently and fixed it up so there were 100 inches to the yard...)

    You'll need to do some math homework to handle volume III, but the first two are pretty straightforward if you found high-school physics reasonable.

    There's nothing of string theory in here - but I think there's a spreading suspicion that there's nothing to string theory anywhere. These Lectures hold up remarkably well.

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