What three-volume set of physics textbooks is based on Feynman's lectures?
Answer
The Feynman Lectures on Physics
The three-volume physics textbook based on Richard Feynman’s lectures is The Feynman Lectures on Physics.
The books grew out of undergraduate lectures Feynman gave at the California Institute of Technology from 1961 to 1963. Physicists Robert B. Leighton and Matthew Sands helped turn the recorded lectures, notes, and blackboard presentations into the published series. Addison-Wesley released the first volumes in the 1960s.
Volume I centers mainly on mechanics, radiation, and heat; Volume II focuses on electromagnetism and matter; and Volume III introduces quantum mechanics. The set is admired for Feynman’s intuitive explanations, though its depth and unconventional presentation can make it challenging for beginners without a basic physics background.
It is often confused with shorter collections such as Six Easy Pieces, which extracts selected chapters from the lectures. The original work is a complete three-volume series, not a single introductory textbook or a generic university physics manual.