Ph.D., Entomology, 1938
Yen Chia Hsien, born in 1906 in Wuxian, Jiangsu province, graduated from University of Nanking with a bachelor of science in 1931. In 1933, Yen received a master of science from Yenching University. Yen then was enrolled in the University of Minnesota and received a doctorate degree in entomology in 1938.
After returning to China, Yen first served as a professor at Wuhan University and then Guangxi University. He also served as a supervisor at Guangxi provincial government. In 1940, Yen was in charge of establishing Fujian Provincial Agricultural College. In 1944, Yen served as dean of College of Agriculture at Fudan University. After 1949, Yen played an important role in establishing the Academy of Military Medical Sciences, and he served as dean of the department of entomology.
严家显，1906年生于江苏吴县，1931年获得金陵大学理学学士学位, 1933年获得燕京大学理学硕士学位。继而来到明尼苏达大学并于1938年获得昆虫学博士学位。
毕业回国后，先后担任武汉大学、广西大学教授，他还曾担任广西省政府农业督导专员等职。1940年6月，严家显负责创办了福建省省立农学院。1944年7月，他受聘为复旦大学农学院院长。建国后，严家显参加筹建中国人民解放军军事医学科学院，并担任该院昆虫系主任。