48. Chaojun Ma (马超俊, 1886-1977), born on September 20, 1886, in Taishan (台山), Guangdong (广东) Province, worked in a machinery factory in Hong Kong in 1900 before he went to the United States in 1902 to study at an engineering school in San Francisco, where he got acquainted with Sun Yat-sen, Father of Republic of China, and became his close follower. Ma returned to China to take part in the 1911 Revolution that overthrew the Qing Dynasty. He served as mayor of Nanjing three times (1932, 1935-37, 1945-46), and went to Taiwan in 1949. Ma died on September 19, 1977, in Taipei.
