García Robles was born in Zamora , Michoacán , and trained in law at the National Autonomous University of Mexico ( UNAM ) , the Institute of Higher International Studies in Paris , France ( 1936 ) and the Hague Academy of International Law in the Netherlands ( 1938 ) before joining his country 's foreign service in 1939 . He served as a delegate to the 1945 San Francisco Conference that established the United Nations . He was ambassador to Brazil from 1962 to 1964 , and was state secretary to the ministry of foreign affairs from 1964 to 1970 . In 1971 – 75 he served as his country 's representative to the United Nations before an appointment as foreign minister in 1975 – 76 . He was then appointed as Mexico 's permanent representative to the Committee on Disarmament of the UN
San Francisco Conference
United Nations Conference on International Organization
Alfonso García Robles