▁an ▁earlier ▁marriage , ▁Adam ▁Am bro se ▁of ▁Bis be e , ▁A Z , ▁and ▁Ellen ▁Am bro se ▁of ▁La ure l , ▁MD , ▁and ▁four ▁grand children , ▁David ▁and ▁Adam ▁Hol zs ager , ▁Ari ▁Am bro se , ▁and ▁Jenn ifer ▁Laurent . ▁ ▁Career ▁ ▁Am bro se ▁became ▁an ▁assistant ▁professor ▁at ▁M IT ▁in ▁ 1 9 4 7 , ▁an ▁associate ▁professor ▁in ▁ 1 9 5 0 ▁and ▁full ▁professor ▁in ▁ 1 9 5 7 . ▁He ▁was ▁several ▁times ▁between ▁ 1 9 3 9 ▁and ▁ 1 9 5 9 ▁a ▁visit ing ▁scholar ▁at ▁the ▁Institute ▁for ▁Advanced ▁Study ▁in ▁ ▁Pr inc eton , ▁New ▁Jersey . ▁Am bro se ▁is ▁often ▁considered ▁one ▁of ▁the ▁f athers ▁of ▁modern ▁geometry . ▁He ▁is ▁noted ▁for ▁making ▁changes ▁in ▁the ▁pure ▁mathematics ▁under grad uate ▁curr icul um ▁at ▁M IT ▁to ▁reflect ▁recent ▁find ings ▁in ▁differential ▁geometry . ▁For ▁example , ▁less ▁than ▁ten ▁years ▁after ▁André ▁We il ▁presented ▁the ▁differential ▁form , ▁Am bro se ▁was ▁using ▁it ▁in ▁his ▁under grad uate ▁differential ▁geometry ▁courses . ▁ ▁In ▁the ▁ 1 9 5 0 s , ▁Am bro se ▁( t ogether ▁with ▁I . ▁M . ▁S inger ) ▁made ▁M IT ▁into ▁the ▁only ▁center ▁in ▁geometry ▁in ▁the ▁United ▁States ▁outside ▁the ▁University ▁of ▁Chicago . ▁His ▁influence ▁continued ▁through ▁his ▁students , ▁in ▁particular ▁Hung - H