Organised and sponsored by U.N.E.S.C.O., this seminar brought together, perhaps for the first time, experts and others interested in family planning, sociology, and mass communication. Delegates at the seminar did not represent their countries; rather they represented fields of interest. Medical practitioners, family planning workers, mass media experts, and sociologists came from many countries—India, Japan, Chile, Argentina, Ghana, Pakistan, Korea, Algeria, Great Britain, Nigeria, France, and the U.S.A. There were also observers from the United Nations and a number of its agencies.