▁philosophy . ▁He ▁was ▁especially ▁known ▁as ▁an ▁international ▁expert ▁in ▁the ▁writ ings ▁and ▁influence ▁of ▁the ▁ 1 2 th - century ▁Jewish ▁legal ist ▁and ▁phil os opher ▁Ma imon ides , ▁and ▁Abraham ▁ben ▁David , ▁the ▁Rab ad ▁of ▁Pos quier es . ▁ ▁His ▁best - known ▁works ▁are , ▁An ▁Introduction ▁to ▁the ▁Code ▁of ▁Ma imon ides ▁( M ish neh ▁Tor ah ), ▁and ▁the ▁more ▁popular ▁anth ology , ▁A ▁Ma imon ides ▁Re ader , ▁as ▁well ▁as ▁Rab ad ▁of ▁Pos quier es : ▁A ▁Tw elf th - Cent ury ▁Tal m ud ist , ▁which ▁was ▁based ▁on ▁his ▁doctor ate ▁work . ▁He ▁was ▁the ▁editor ▁of ▁the ▁Harvard ▁Studies ▁in ▁Med ieval ▁Jewish ▁History ▁and ▁Liter ature ▁( in ▁three ▁volumes ), ▁won ▁a ▁G ug gen heim ▁Fellow ship ▁in ▁ 1 9 8 9 , ▁and ▁was ▁a ▁fellow ▁of ▁both ▁the ▁American ▁Academy ▁for ▁Jewish ▁Research ▁and ▁the ▁American ▁Academy ▁of ▁Arts ▁and ▁Sciences . ▁According ▁to ▁, ▁Tw ers ky ▁can ▁best ▁be ▁character ized ▁as ▁a ▁" histor ian ▁of ▁ideas ▁and ▁a ▁research er ▁of ▁the ▁intellectual ▁history ▁of ▁the ▁Jews ," ▁and ▁would ▁pres umably ▁have ▁considered ▁himself ▁as ▁such . ▁ ▁Biography ▁Tw ers ky ▁was ▁born ▁in ▁Boston ▁in ▁ 1 9 3 0 , ▁and ▁attended ▁Boston ▁Latin ▁School ▁and ▁Heb rew ▁College , ▁which ▁was ▁then ▁known ▁as ▁Heb rew ▁Te ach ers ' ▁College .