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 ecological conservation." Its laureates receive a certificate, a medal, and US $1 million. Moon was posthumously awarded North Korea's National Reunification Prize in 2012 and a meritorious award by K-League. On the first anniversary of Moon's death, North Korean leader Kim Jong-un expressed condolences to Han and the family saying: "Kim Jong-un prayed for the repose of Moon, who worked hard for national concord, prosperity and reunification and world peace." In 2013, Zimbabwean Prime Minister Morgan Tsvangirai stated: "I remain greatly inspired by people like Reverend Dr. Sun Myung Moon, whose work and life across continents continue to impact positively