S.T. ChiangProfessorRetirement date: 1990.09.01 BP LeeProfessorRetirement date:1996.04.13 Z.G YangProfessorRetirement date: 2001.02.01 MT LinProfessorRetirement date:2002.08.01 TH ChiuProfessorRetirement date:2007.08.01 TS LiuAssociate ProfessorRetirement date:2009.08.01 ML DongAssociate ProfessorRetirement date:2011.02.01 ZH JianlecturerRetirement date:2013.02.01 X.F. PuAssociate ProfessorRetirement date:2013.08.01 A.H. JiaProfessorRetirement date:2017.02.01