ids . ▁ ▁Description ▁ ▁Distribution ▁ ▁References ▁ ▁cal y ps o ▁Category : G ast rop ods ▁described ▁in ▁ 1 9 1 9 <0x0A> </s> ▁David ▁Paul ▁D rach ▁( born ▁Str as bourg , ▁ 6 ▁March ▁ 1 7 9 1 ; ▁died ▁at ▁the ▁end ▁of ▁January , ▁ 1 8 6 8 , ▁Rome ) ▁was ▁a ▁Catholic ▁convert ▁from ▁J uda ism , ▁and ▁li br arian ▁of ▁the ▁College ▁of ▁Pro pag anda ▁in ▁Rome . ▁▁ ▁D rach ▁received ▁his ▁first ▁instruction ▁at ▁the ▁hands ▁of ▁his ▁father , ▁a ▁ren owned ▁Heb ra ist ▁and ▁Tal m ud ic ▁scholar . ▁At ▁the ▁age ▁of ▁twelve , ▁D rach ▁entered ▁the ▁first ▁division ▁of ▁the ▁Tal m ud ic ▁school ▁in ▁Ed endorf ▁near ▁Str as bourg . ▁This ▁course ▁of ▁study , ▁last ing ▁ordin arily ▁for ▁three ▁years , ▁he ▁completed ▁in ▁one ▁year , ▁and ▁entered ▁the ▁second ▁division ▁of ▁the ▁Tal m ud ic ▁school ▁in ▁B isch heim ▁the ▁following ▁year . ▁He ▁graduated ▁in ▁eigh teen ▁months ▁and ▁then ▁mat ric ulated ▁in ▁West hof en ▁to ▁qual ify ▁as ▁a ▁teacher ▁of ▁the ▁Tal m ud . ▁When ▁only ▁six teen ▁years ▁of ▁age ▁he ▁accepted ▁the ▁position ▁of ▁instruct or ▁in ▁R app ol ts we iler , ▁remaining ▁there ▁three ▁years ; ▁afterwards ▁he ▁followed ▁the ▁same ▁profession ▁in ▁Col mar . ▁▁ ▁Here ▁the ▁youth ▁devoted ▁himself ▁to ▁the ▁study ▁of ▁sec