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 stance. In the 1990s when Moon began to offer the Unification Church marriage blessing ceremony to members of other churches and religions he was criticized for creating possible confusion. In 1998, journalist Peter Maass reported that some Unification Church members were dismayed and grumbled when Moon extended the Blessing to non-members because they had not gone through the same course that members had. In 2001, the Unification Church came into conflict with the Roman Catholic Church when Catholic archbishop Emmanuel Milingo and Maria Sung, a 43-year-old Korean acupuncturist, married in a Unification Church Blessing ceremony, presided over by Rev. and