▁to ▁change ▁direction , ▁eventually ▁being ▁awarded ▁a ▁Ph . D . ▁in ▁Sem it ic ▁studies ▁in ▁ 1 9 5 4 . ▁His ▁dis sert ation ▁was ▁entitled ▁" The ▁C oven ant ▁S ect ▁and ▁the ▁Ess enes ." ▁From ▁ 1 9 5 2 ▁to ▁ 1 9 5 7 ▁he ▁remained ▁at ▁Joh ns ▁Hop kins ▁teaching ▁Ar ama ic . ▁In ▁ 1 9 5 3 ▁he ▁began ▁his ▁long ▁association ▁with ▁Baltimore ▁Heb rew ▁College . ▁He ▁also ▁took ▁on ▁the ▁role ▁of ▁ra bbi ▁to ▁the ▁B na i ▁Jacob ▁Cong reg ation ▁in ▁ 1 9 5 9 . ▁Through out ▁his ▁life ▁he ▁was ▁a ▁member ▁of ▁the ▁Rab bin ical ▁Council ▁of ▁America , ▁a ▁major ▁organization ▁of ▁Orth odox ▁rabb is . ▁ ▁Prof . ▁Ba um g arten ▁served ▁as ▁visit ing ▁professor ▁at ▁Tow son ▁State ▁College ▁( now ▁Tow son ▁University , ▁the ▁University ▁of ▁Maryland ) ▁and ▁the ▁University ▁of ▁the ▁Neg ev ▁( now ▁Ben - G ur ion ▁University ▁of ▁the ▁Neg ev ) ▁in ▁Israel . ▁He ▁was ▁also ▁in ▁residence ▁at ▁the ▁Israel ▁Institute ▁for ▁Advanced ▁Studies ▁of ▁the ▁Heb rew ▁University ▁of ▁Jerusalem ▁in ▁ 1 9 9 0 ▁and ▁again ▁in ▁ 2 0 0 1 . ▁He ▁was ▁a ▁fellow ▁at ▁the ▁An nen berg ▁Institute ▁( now ▁the ▁K atz ▁Center ▁for ▁Advanced ▁J uda ic ▁Studies ▁of ▁the ▁University ▁of ▁Pennsylvania ) ▁in ▁Philadelphia ▁in ▁ 1 9