Cho's Theory
Joe's theory is a historian. Born in Yonggang, South Korea, graduated from the Department of Western History at Tohoku Imperial University in Japan. In 1953, he studied Western history at the University of Minnesota and Harvard University, and studied Greek history in Greece. He became a member of the Academy of Life Sciences in 1954 and became the president of the Korean Western History Society in 1957. He received his Ph.D. in literature from Yonsei University in 1962, and vice-president of Yonsei University in 1964. His books include "Introduction to Western History," "Greek Mythology," "Greek Society Studies," and "World Travel."