1942- Margaret Mead
Cofounded theMacy Conferences (1946-1953) which were the most important meetings of minds for the purpose of understanding control of human behavior. They are also considered as the breeding ground for Cybernetics and breakthroughs in Systems Theory. In essence, they brought “systems thinking” to the awareness of a cross-disciplinary group of intellectuals.
http://emcsr.net/looking-back-in-history-the-macy-conferences/