In 1964, physicist Richard Feynman delivered a series of lectures titled “On the Nature of Physical Law.” Feynman delivered these seven one-hour lectures at Cornell in 1964, and the BBC taped them.

Over the decades, Feynman’s lectures have taken on a legendary status. CORRECTED PER NOTE BELOW: The Caltech lectures were also edited and illustrated to become the basis of one of Feynman’s most ...