è gre ▁as ▁problem atic . ▁ ▁Brow der ▁was ▁known ▁for ▁his ▁personal ▁library , ▁which ▁contained ▁some ▁thirty - five ▁thousand ▁books . ▁" The ▁library ▁has ▁a ▁number ▁of ▁different ▁categories ," ▁he ▁said . ▁" There ▁is ▁mathematics , ▁physics ▁and ▁science ▁as ▁well ▁as ▁philosophy , ▁literature ▁and ▁history , ▁with ▁a ▁certain ▁number ▁of ▁volumes ▁of ▁contemporary ▁political ▁science ▁and ▁econom ics . ▁It ▁is ▁a ▁poly math ▁library . ▁I ▁am ▁interested ▁in ▁everything ▁and ▁my ▁library ▁reflect s ▁all ▁my ▁interests ." ▁ ▁Family ▁ ▁Brow der ▁married ▁Eva ▁T is low itz ▁in ▁ 1 9 4 9 , ▁born ▁to ▁Jewish ▁parents . ▁Their ▁children ▁included ▁Dr . ▁Thomas ▁Brow der , ▁a ▁phys ic ist ▁special izing ▁in ▁the ▁experimental ▁study ▁of ▁sub atomic ▁particles , ▁and ▁Bill ▁Brow der , ▁who ▁became ▁CE O ▁of ▁Herm itage ▁Capital ▁Management ▁and ▁res ides ▁in ▁London . ▁ ▁The ▁late ▁Dr . ▁Brow der ▁had ▁two ▁younger ▁brothers ▁who ▁were ▁also ▁research ▁mathemat icians , ▁William ▁( an ▁algebraic ▁top ologist ) ▁and ▁Andrew ▁Brow der ▁( a ▁special ist ▁in ▁function ▁al gebras ). ▁Brow der ▁died ▁in ▁ 2 0 1 6 ▁at ▁home ▁in ▁Pr inc eton , ▁New ▁Jersey , ▁aged ▁ 8 9 . ▁" In ▁addition ▁to ▁his ▁brothers , ▁surv iv ors ▁include ▁the ▁above ▁mentioned ▁two ▁sons , ▁Thomas ▁Brow der ▁of ▁Hon ol ulu ▁and ▁Bill ▁Brow der ▁of ▁London ; ▁and ▁five ▁grand