Sun Myung Moon much more quickly." In 1971, Moon moved to the United States, which he had first visited in 1965. He remained a citizen of the Republic of Korea and maintained a residence in South Korea. In 1972, Moon founded the International Conference on the Unity of the Sciences, a series of scientific conferences. The first conference had 20 participants, while the largest conference in Seoul in 1982, had 808 participants from over 100 countries. Participants included Nobel laureates John Eccles (Physiology or Medicine 1963, who chaired the 1976 conference) and Eugene Wigner (Physics 1963). In 1974, Moon asked church members in
Sun Myung Moon World Peace Academy, an organization founded by Moon, sponsored a conference in Geneva to debate the theme "The situation in the world after the fall of the communist empire." In April 1990, Moon visited the Soviet Union and met with President Mikhail Gorbachev. Moon expressed support for the political and economic transformations under way in the Soviet Union. At the same time the Unification Church was expanding into formerly communist nations. After the dissolution of the Soviet Union in 1991, some American conservatives criticized Moon for his softening of his previous anti-communist stance. In 1991, Moon met with Kim Il