Magazine. April 1985. (Reprinted in The foundation of artificial intelligence—a sourcebook Cambridge University Press. 1990 See also Scientific community metaphor References External links Hewitt's official blog Year of birth missing 1940s births 2022 deaths American computer programmers American computer scientists 20th-century American mathematicians 21st-century American mathematicians Formal methods people MIT School of Engineering faculty Academic staff of Keio University American technology writers Engineers from Massachusetts