leton ▁" Kar l " ▁Arm strong , ▁D w ight ▁Arm strong , ▁David ▁Fine , ▁and ▁Leo ▁B urt . ▁The ▁intention ▁was ▁to ▁destroy ▁the ▁Army ▁Mathemat ics ▁Research ▁Center , ▁but ▁instead ▁destroyed ▁much ▁of ▁the ▁physics ▁department ▁and ▁sever ely ▁dam aged ▁neighbor ing ▁buildings . ▁ ▁After ▁the ▁bomb ing ▁ ▁Family ▁F ass n acht ▁was ▁surv ived ▁by ▁his ▁wife , ▁Steph anie , ▁and ▁their ▁three ▁children , ▁a ▁three - year - old ▁son , ▁Christopher , ▁and ▁tw in ▁daughters , ▁He idi ▁and ▁Kar in ▁who ▁turned ▁one ▁a ▁month ▁after ▁their ▁father ' s ▁death . ▁The ▁family ▁continued ▁to ▁live ▁in ▁Mad ison ▁in ▁relative ▁quiet ▁and ▁an onym ity ▁for ▁many ▁dec ades ▁after ▁the ▁explos ion , ▁often ▁crossing ▁paths ▁with ▁the ▁site ▁of ▁their ▁father / hus band ' s ▁murder . ▁ ▁Steph anie ▁F ass n acht ▁completed ▁a ▁long ▁career ▁at ▁the ▁University ▁of ▁Wisconsin – Mad ison , ▁occup ying ▁an ▁office ▁just ▁blocks ▁from ▁the ▁site ▁of ▁her ▁husband ' s ▁death . ▁She ▁stated ▁that ▁she ▁har bor ed ▁" no ▁ill ▁will " ▁toward ▁Karl ▁Arm strong ▁" and ▁never ▁did ." ▁ ▁Instead ▁she ▁held ▁the ▁Board ▁of ▁Reg ents ▁responsible . ▁Christopher ▁attended ▁Harvard ▁University ▁and ▁Cal tech ▁and ▁is ▁now ▁a ▁physics ▁professor ▁at ▁the ▁University ▁of ▁California ▁at ▁Davis . ▁He idi ▁and ▁Kar in ▁both ▁graduated ▁from ▁the ▁University ▁of ▁Wisconsin – Mad ison