File is an audio reel containing a recording of Surendra Patel at the main branch of the Halifax public library as part of the World We Want lecture series. Professor Patel was the former director of the Technology Division of the United Nations Commission on Trade and Development (UNCTAD) in Geneva. His lecture at the Halifax public library on November 26, 1992 was entitled "Economic and Social Systems for the Future." It aired on The Evening Affair, CKDU's evening public affairs program, on November 27, 1992.