1942 with a degree in agricultural science and technology during the Second Sino-Japanese War. He then returned to China to teach agricultural economics at Peking University. Following the establishment of the People's Republic of China in 1949, he was transferred to Xi'an, the capital of the Shaanxi province, in 1952 to work in the grain bureau. During this period he participated in discus, shot put, and javelin throw in the Shaanxi Provincial Games. Later life and death In 1954 Guo became a researcher and coach at the Xi'an Institute of Physical Education and continued his work long after his official retirement in 1987. The results of his research, which focused on health and longevity, were published in booklets and distributed for free across the country. Before the 2008 Summer Olympics in Beijing, he helped carry the Olympic torch through the streets of Xi'an. As of 2007 he was the last surviving member of China's delegation to the 1936 Summer Olympics. In 2012, he turned 100, and was still able to exercise for two hours daily. He died on November 15, 2015, at the age of 103. At the time of his death, he was believed to be the oldest surviving Olympian, and was believed to be succeeded in this respect by Ingeborg Sjöqvist. References 1912 births 2015 deaths Athletes from Dalian Chinese male discus throwers Olympic athletes of China Athletes (track and field) at the 1936 Summer Olympics Chinese centenarians University of Tokyo alumni Men centenarians 20th-century Chinese people