In July 1921 , Tang was Deputy Director-General of the Ministry of Education . Following the 1923 Great Kantō earthquake , Tang led a delegation of the Red Cross Society of China to Japan for relief efforts , coordinating with overseas Chinese residents in Japan . In 1926 , he rose to the position of Inspector-General of the Ministry of Finance . However , after the collapse of the Beiyang government in 1929 , Tang returned to Japan , where he obtained his doctorate in medicine at the Tokyo Imperial University . Returning to China in 1930 , he served as a councilor to the Northeastern Army command . In 1933 , he returned to Beijing , where he helped organize a committee for political affairs . He helped negotiate the Tanggu Truce with the Imperial Japanese Army in 1936 and helped organize the Hebei – Chahar Political Council
1923 Great Kantō earthquake
1923 Great Kantō earthquake
Tang Erho