蔡翔　字仪亭。年二十七岁。生于汉口。父中藩。本籍通信处。湖北汉川县二铺街蔡寓。未婚。初学武昌文华书院。及北京淸华学校。宣统三年。以官费游美。入科罗拉多矿业学校。习矿业工程。民国四年。得矿工程师学位。入哥仑比亚大学。习冶金科。为美国矿工程师会会员。在科罗拉多矿业公司。充测量师。又在金环矿业公司。充副工程师。民国五年回国。

Tsai, Hsiang.-Born in Hankow, Hupeh, 1890. Studied at Boone College, Wuchang, 1906-10; at Tsing Hua College, Peking, 1911. Arrived in America, September, 1911. Government support. Studied Mining Engineer-ing at Colorado School of Mines, 1911-15: Metallurgy at Columbia University, 1915-16. E.M., 1915. Member, American Institute of Mining Engineers, 1915. Surveyor, Colorado Mining Co., summer, 1914. Assistant Engineer, Golden Cycle Mining Co., summer, 1915. Returned to China, August, 1916.