▁His ▁mat ernal ▁grand father , ▁Arnold ▁Buff um , ▁was ▁president ▁of ▁the ▁New ▁England ▁Anti - S la very ▁Society . ▁His ▁sister ▁L ill ie ▁became ▁an ▁author ▁and ▁social ▁reform er . ▁ ▁Arnold ▁married ▁El iza ▁Ch ace ▁Gre ene , ▁daughter ▁of ▁Christopher ▁A . ▁and ▁Sarah ▁A . ▁Gre ene , ▁on ▁October ▁ 2 4 , ▁ 1 8 7 1 . ▁Their ▁three ▁children ▁were : ▁Mal col m ▁Gre ene ▁Ch ace , ▁Edward ▁G ould ▁Ch ace , ▁cot ton ▁manufact urer , ▁and ▁Margaret ▁Ch ace , ▁wife ▁of ▁Russell ▁S . ▁Row land , ▁M . D . ▁of ▁Detroit , ▁M I . ▁ ▁Academ ics ▁Arnold ▁Buff um ▁Ch ace ▁received ▁his ▁b ach elor ' s ▁degree ▁from ▁Brown ▁University ▁in ▁ 1 8 6 6 ▁and ▁a ▁Doctor ▁of ▁Science ▁from ▁Brown ▁in ▁ 1 8 9 2 . ▁He ▁also ▁studied ▁for ▁one ▁year ▁at ▁the ▁É cole ▁de ▁Mé dec ine ▁in ▁Paris . ▁Ch ace ▁taught ▁physics ▁and ▁mathematics ▁for ▁one ▁term ▁at ▁Brown ▁( 1 8 6 8 – 6 9 ), ▁before ▁having ▁to ▁interrupt ▁his ▁career ▁to ▁handle ▁the ▁family ▁text ile ▁business . ▁He ▁remained ▁involved ▁in ▁leadership ▁at ▁Brown ▁for ▁most ▁of ▁his ▁life . ▁In ▁ 1 8 7 6 ▁he ▁was ▁elected ▁trust ee ; ▁in ▁ 1 8 8 2 ▁he ▁became ▁tre as urer ; ▁and ▁in ▁ 1 9 0 7 ▁he ▁was