American psychiatrist (1893–1990) who pioneered a scientific approach to psychiatry and advocated the prevention of crime through psychiatric treatment rather than punishment. TLS, one page, 7.25 x 10.5, personal letterhead, February 1, 1940. Letter to notable writer and critic Lewis Mumford. In part: “I have admired your work for a long time, and have looked forward hopefully to an occasion for meeting you…I should greatly enjoy stopping in to see you in the near future, perhaps some time next week.” In fine condition, with mild toning and soiling. Accompanied by a small unsigned photo of Menninger. RR Auction COA.