Interview in 1984 with Linus Pauling, professor of chemistry emeritus. He recalls his instructorship in quantitative analysis at Oregon Agricultural College at age 18. To Caltech for graduate study, 1922. As preparation, Arthur Amos Noyes sent him proof sheets of Noyes's new book, Chemical Principles. Studied X-ray crystallography with Roscoe G. Dickinson. Gave seminar on Debye-Huckel theory of electrolytic solutions for visiting P. J. W. Debye. Recollections of Noyes (then chairman of the Division of Chemistry and Chemical Engineering), Dickinson, and Ralph W. G. Wyckoff. Discusses X-ray crystallography and its history. Recollections of Gilbert N. Lewis, Caltech's rivalry with Berkeley. Paper with Richard C. Tolman on residual ent...