Letter (photocopy) from Robert E. Marshak to Richard P. Feynman thanking him for a previous letter from a conference in Kyoto, Japan, probably referring to Feynman's August 17, 1985 letter acknowledging the contributions of Feynman, Marshak, E. C.…
Letter (photocopy) from Richard P. Feynman to Robert E. Marshak, dated August 17, 1985, talking about Feynman's joint paper and relationship with Murray Gell-Mann and giving credit to E. C. George Sudarshan and Marshak for their work. Feynman is…