He took his concerns to the international stage as a member of India's first delegation to the UN (1947), as Indian Ambassador to the United States, and several other countries including Italy, Yugoslavia, Japan, and Mexico. He worked on a variety of FAO projects before being named Director General in 1956. While he was the Relief Commissioner(1942–43)in Bengal during Bengal famine,his mission of preventing hunger was set. In 1960, saying half the world's population was malnourished,Sen announced the Freedom from Hunger campaign. "Hunger is neither inevitable nor irremediable," he added, "it is within our power to bring this old affliction under control."[6] This led to the 1963 World Food Congress in Washington, D.C., attended by representatives from more than 100 countries.[citation needed]
^File:World Food Program Introduction 1961.jpg|thumb|G H Aiken Introduces the WFP
^Sen, Asit. Glimpses of College History: The Students and the Teachers in 175th Year Commemoration Volume. Scottish Church College, April 2008. page 233.