What happened to the undergrad students who attended the Feynman Lecture Series in 1961-63?

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Accepted answer

I'm going to address your question in two parts:

1. The accuracy of the claim that attendance dropped.

2. The effect that the lectures had on the attendees.

Firstly, as you rightly hypothesised, the tale of dropping attendance was false. This stemmed from a preface to the book, written by David Goodstein and Gerry Neugebauer. They wrote that

"… as the course wore on, attendance by the registered students started dropping alarmingly. ... Many of the students dreaded the class..."

As it turned out, Goodstein was not at Caltech at that time. Neugebauer, on the other hand, was involved, but would often joke about the attendance, which could have coloured his memory.

In fact, the general experience was quite contrary. Matthew Sands, and attendee at those lectures, wrote in his book On the Origins of The Feynman Lectures on Physics, A memoir by Matthew Sands

I was sitting at the back of the hall at most of the lectures, and my memory—of course, dimmed by the years—is that perhaps twenty percent or so of the students were not bothering to attend. Such a number would not be unusual for a large lecture class, and I do not remember that anyone was "alarmed". And although there may have been some students in my recitation section who dreaded the class, most were involved and excited by the lectures—although some of them, very likely, would have dreaded the homework assignments."

If further proof is needed, see this photo of the attendees to one of his lectures. The vast majority are quite young, and according to the Caltech site only those with ties are professors. (Image from here)

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Secondly, in response to your actual question - that of the effects that going to Feynman's lectures had on the attendees - it seems as though it wasn't necessarily a life-changing experience, though it was (at least in hindsight) enjoyable.

David Goodstein, another Caltech physicist, said long afterward, “I’ve spoken to some of those students in recent times, and in the gentle glow of dim memory, each has told me that having two years of physics from Feynman himself was the experience of a lifetime.”

As to whether or not this impacted their career in physics, as noted in the comments - that would require a full scientific study.

Upvote:-2

The lecture's are brilliant but also given developments in physics and mathematics since then require an update. For example, the treatment of tensors, what is understood by covariance and so on.

Feynman said that the course was designed for those who would not go on to study physics at an advanced level and those that would, though he also said that the latter really dodn't need his lectures.

Physics has gone on to transform the world, like the smartphone I'm holding right now is based upon it all. So Feynman's reputation is well deserved. I expect his students did well as there was a bull market for physicists after the dropping of the atomic bomb - everyone could see what they could do.

Upvote:8

As a member of "Feynman's Class" (You can see me in the Realites photo above: Top row, third from the right), I have often wondered why Caltech hasn't done an oral history project on this subject. I don't know how much of it was Feynman, but the overall effect of four years at Caltech was to make many of us unafraid of any intellectual endeavor. We had gone up against a set of people who were wicked smart and had survived and even thrived. It is also amazing how financially successful we were. Take Alley Six in Fleming House -- which had six freshmen living in it during the 1961-62 year, in order of estimated net worth: Michael Scott -- First president of Apple Computer. Given that he has maybe the world's most valuable gem and mineral collection at over half a billion dollars, Estimated Net Worth: $500Mill - $1000Mill. My guesses go down from there, but the median net worth of the other five could be over $100Mill. I went to most of Feynman's lectures, except Physics 2B (electrodynamics). which was a real mess.

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