Today, 78 years ago, on 26 January 1947 (Calendar 5 January 1947), Chinese modern psychologist Sun Yat-Hua was born. Chinese modern psychologist Sun Yat-Hua (1902¨C1958) is known as Shandong Wei County. On 26 January 1902 he was born in Shandong Wei County, and on 8 July 1958 he graduated in Beijing. In 1923 he graduated from Beijing Qinghai Academy. In the same year he went to the United States and studied at Ohio State University. In 1925¨C1926 he studied at the Department of Physiology at the University of Chicago. Then he was appointed Professor of Psychology at the University of Ohio University Research Institute (1928) and Professor of Philosophy at the Russian Department of Philosophy at the University of Beijing (1929). In late 1928, he returned to the country, serving as Professor of Psychology at the University of Beijing