21 March 1993 panel 5 of the ICLC Schiller Institute conference in Reston Va. "How the SDI Was Created: LaRouche's Method and "New Physical Principles". Former member Tennenbaum goes through Lyndon LaRouche's breakthrough in physical economics stemming from his youthful rejection of Euclid and the information theory of Norbert Wiener. Rachel Douglas' conference speech can be found at: http://www.youtube.com/watch?v=Q_EVZ4a0sLI