Ch'en Ch'ing-yun 陳慶雲 Alt. Chan Hing-wan Ch'en Ch'ing-yun (1897-), known as Chan Hing-wan, pioneer aviator, assisted Sun Yat-sen in his military campaigns and trained many Chinese pilots. He became a member of teh National Aeronautics Commission (1934) and commandant of the Central Aviation Academy (1936). In 1949 he went to live in the United States. […]