Zheng Ji

Zheng Ji (6 May 1900 – 29 July 2010) also known as Libin T. Cheng (his last name was spelled as Cheng in the Wade-Giles system before Pinyin was used to spell the names of Chinese people and places), was a Chinese nutritionist and a pioneering biochemist. He was reputed to be the world's oldest professor and the founder of modern nutrition science in China, having lived to the age of 110. Early life Libin T. Cheng was born in Nanxi County, Sichuan Province, China. In 1924 Zheng Ji passed the entrance exam for the National Southeastern University (originally known as the Nanjing Advanced Normal School and renamed the National Central University in 1928, and then the Nanjing University)and studied at the biology department. In 1930 he went to America to study, majoring in biochemistry at Ohio State University and earned his M.S. in 1931. He also attended Yale and Indiana University, and obtained his PhD from Indiana University in 1934.