DC ▁is ▁Hay es ▁G ymnasium , ▁originally ▁constructed ▁in ▁ 1 9 1 0 . ▁The ▁old ▁Ar vin ▁g ym ▁entrance ▁was ▁built ▁onto ▁it ▁in ▁ 1 9 3 4 . ▁In ▁ 1 9 9 9 , ▁renov ation ▁construction ▁t ore ▁down ▁over ▁half ▁of ▁the ▁g ym . ▁The ▁ 1 9 1 0 ▁and ▁ 1 9 3 4 ▁sections ▁were ▁preserved ▁with ▁the ▁new ▁CP DC ▁opening ▁in ▁ 2 0 0 4 . ▁The ▁new ▁CP DC ▁now ▁houses ▁a ▁Center ▁for ▁Phys ical ▁Development ▁Ex cell ence ▁( CP DC ), ▁offices ▁and ▁class rooms ▁for ▁D PE , ▁new ▁basketball , ▁rac quet ball , ▁rock ▁clim bing , ▁surv ival ▁sw imming , ▁box ing ▁& ▁comb atives , ▁and ▁physical ▁ther apy ▁facilities . ▁Bart lett ▁Hall : ▁Home ▁to ▁the ▁Depart ments ▁of ▁Chem istry ▁and ▁Physics , ▁it ▁was ▁originally ▁constructed ▁in ▁ 1 9 1 3 ▁and ▁expanded ▁in ▁ 1 9 3 7 . ▁Hay es ▁G ymnasium ▁– ▁see ▁Ar vin ▁Cad et ▁Phys ical ▁Development ▁Center ▁( above ) ▁Jefferson ▁Hall : ▁N amed ▁after ▁former ▁president ▁Thomas ▁Jefferson , ▁whose ▁statue ▁stands ▁in ▁the ▁rot unda . ▁The ▁new ▁library ▁learning ▁center , ▁which ▁opened ▁in ▁ 2 0 0 8 , ▁is ▁home ▁to ▁the ▁Center ▁for ▁Te aching ▁Ex cell ence ▁( CT E ) ▁and ▁the ▁Alexander ▁Ha ig ▁Room . ▁Lincoln ▁Hall : ▁Form er ly ▁the ▁Bach elor