The Measure of Man
Krutch, Joseph Wood. The Measure of Man: On Freedom, Human Values, Survival and the Modern Temper. (c) 1953, 1954. Indianapolis: Bobbs, n.d.
A popular work—no citations, no index—attacking contemporary incarnations of the tradition running from T. Hobbes through R. Descartes to Charles Darwin, Sigmund Freud, and K. Marx. "Hobbes proves that man is an animal; Descartes proves that an animal is a machine." Hence, as perfected by the early 20th c. and embodied in B. F. Skinner's Walden Two (q.v. under Fiction), ". . . Man is a machine" (35); the attack on Skinner is a motif in MoM).
RDE, finishing final edit, 19Jan21