郞国桢　字丽生。年二十九岁。生于江苏昆山。初毕业于上海南洋公学电机科。得学士学位。宣统二年。游美。充西方电气公司学习工程师。民国元年。入威斯康心大学。习电气工程。民国二年。得电气工程师学位。民国三年回国。任中国电话总局副工程师。民国五年。署中国电话总局局长兼总工程师。现时通信处。天津电话总局。

long, k. t.-born in kunshan, kiangsu, 1888. graduated from nanyang college, shanghai, 1910. arrived in america, october, 1910. student engineer, western electric co., chicago, 1910-12. studied electrical engineering at the university of wisconsin, 1912-13. e.e., 1913. returned to china, may, 1914. assistant electrical engineer, chinese government telephone administration, 1914-15; acting superintendent and chief en-gineer, 1916 to date.