And James Gleick's biography of Feynman, "Genius", goes in considerable detail on this aspect: https://www.amazon.com/Genius-Life-Science-Richard-Feynman-ebook/

And James Gleick's biography of Feynman, "Genius", goes in considerable detail on this aspect: https://www.amazon.com/Genius-Life-Science-Richard-Feynman-ebook/dp/B004LRPQIO/ref=sr_1_1?ie=UTF8&qid=1540489683&sr=8-1&keywords=genius+gleick https://www.amazon.com/Genius-Life-Science-Richard-Feynman-e...