陈桢教授号席山,又号协三。原籍江西铅山。1894年2月8日生。幼年在江苏读书。1918年毕业于南京金陵大学。翌年考取清华学校公费,赴美国学习昆虫学、细胞学、遗传学、动物学。1922年起历任南京东南大学、中央大学、北京师范大学、清华大学、昆明西 Professor Chen Xian Hill seats, but also number three. Jiashan, Jiangxi origin. February 8, 1894 students. Juvenile study in Jiangsu. 1918 graduated from Nanjing Jinling University. The following year to obtain Tsinghua School public fee, went to the United States to study entomology, cytology, genetics, zoology. Since 1922, he has served successively as a member of Nanjing Southeast University, Central University, Beijing Normal University, Tsinghua University, Kunming West