Hsiao-Chien Chang

Zhang Xiaoqian (; December 28, 1897 – August 8, 1987), also known as Hsiao-ch'ien Chang, was a Chinese gastroenterologist who is considered the founder of gastroenterology in China. He served as President of Hsiang-Ya Medical College and Vice President of Peking Union Medical College, and was a founding member of both Academia Sinica and the Chinese Academy of Sciences.

Biography Zhang was born in Changsha, Hunan on December 28, 1897. He graduated from Changjun High School and entered Hsiang-Ya Medical College in 1914, from which he graduated with an M.D. in 1921. He became a chief resident physician at Peking Union Medical College (PUMC) Hospital in 1924. He went to the U.S. for further education at Johns Hopkins University for one year.

Zhang became an Associate in Medicine at PUMC in 1932, and engaged in medical research at Stanford University the next year. He returned to China in 1934. He accepted a professorship at PUMC Hospital in 1948. He was appointed Vice President of PUMC in September 1962 and Vice President of the Chinese Academy of Medical Sciences in 1978. When the Cultural Revolution started in 1966, however, Zhang was not spared persecution and was imprisoned by the Red Guards for nine months.

Family Zhang had four children, all of whom became scientists or physicians. His eldest daughter Zhang Youduan is a biochemist with a Ph.D. from the University of Cambridge. His second daughter, a graduate of Hsiang-Ya Medical College, is a radiologist. His son, Zhang Youshang, is a biochemist and academician of the Chinese Academy of Sciences who served as Vice President of the Shanghai Institute of Biochemistry. His youngest son, Zhang Youhui , is an oncologist and former President of the Cancer Institute of the Chinese Academy of Medical Sciences.