QianWeichang(1912-2010),JiangsuWuxipeople,thefatherofChinesemodernmechanics,worldrenownedscientist,educator,aprominentsocialactivist,prominentleaderintheChinaDemocraticLeague,closefriendoftheChineseCommunistParty,theChinesepeople'sPoliticalConsultativeConferencesixth,seven,eight,ninenationalcommitteevice-president,ChinaDemocraticLeagueoffifth,six,sevensessionoftheCentralCommitteeViceChairman,seventh,eight,ninehonorarypresidentofChineseAcademyofSciences,senioracademician,PresidentofShanghaiUniver,NanjingUniversity,JinanUniversity,NanjingUniversityofAeronautics&Astronautics,JiangnanUniversity,honorarypresident,YaohuahighschoolChancellor;QianWeichangacademicianandappliedmathematics,physics,Chineseinformation,writingHSBC--especiallyinelasticmechanics,variationalprinciple,perturbationmethodandotherfieldsisanimportantachievement.