ismogenesis" in Naven (1936); Rosenblueth, Weiner & Bigelow's "Behavior, Purpose and Teleology" (1943); McCullouch & Pitts's "A Logical Calculus of the Ideas Immanent in Nervous Activity" (1943); von Neumann's book Theory of Games and Economic Behavior (with Oskar Morgenstem) 1944; Shannon's "A Mathematical Theory