The author met 'his philosopher' fifty-four yars ago--a man who teaches by the Socratic method, who stays in touch with his students for their whole career, and who values non-conformity in the best sense of the word. Most faculty deeply learn their field, plumb its depths zealously, and relish the fruits of their labor. Some continue the quest--for knowledge, for the frontier, for the important 'next questions'--which means giving up the accolades...