iva ▁of ▁the ▁A ter et ▁Y er ush al ay im ▁yes h iva ▁( former ly ▁known ▁as ▁A ter et ▁C oh anim ) ▁in ▁Jerusalem , ▁and ▁the ▁ra bbi ▁of ▁Bet ▁El . ▁He ▁is ▁considered ▁one ▁of ▁the ▁spiritual ▁leaders ▁of ▁the ▁Relig ious ▁Z ion ist ▁movement . ▁ ▁Biography ▁Rab bi ▁Sh l omo ▁Cha im ▁Ha - C ohen ▁A vin er ▁was ▁born ▁in ▁ 1 9 4 3 ▁in ▁German - occup ied ▁Lyon , ▁France . ▁As ▁a ▁child , ▁he ▁escaped ▁the ▁deport ations ▁to ▁Naz i ▁death ▁cam ps , ▁being ▁hidden ▁under ▁a ▁false ▁identity . ▁As ▁a ▁youth , ▁he ▁was ▁active ▁in ▁the ▁religious ▁Z ion ist ▁youth ▁movement , ▁B ne i ▁Ak iva , ▁in ▁France , ▁eventually ▁becoming ▁its ▁National ▁Director . ▁He ▁studied ▁mathematics , ▁physics , ▁and ▁elect rical ▁engineering ▁at ▁the ▁Super ior ▁School ▁of ▁Electric ity . ▁▁ ▁At ▁the ▁age ▁of ▁ 2 3 , ▁inf used ▁with ▁the ▁ideal ▁of ▁working ▁the ▁Land ▁of ▁Israel , ▁Rav ▁A vin er ▁made ▁ali y ah ▁to ▁K ib but z ▁S de ▁Eli y ahu , ▁near ▁Beit ▁She ' an . ▁He ▁then ▁went ▁to ▁learn ▁at ▁Yes h iv at ▁Mer c az ▁Ha R av ▁in ▁Jerusalem , ▁where ▁he ▁met ▁Rab bi ▁Z vi ▁Ye h uda ▁K ook , ▁the ▁Ros h ▁Yes h iva ▁and ▁son ▁of ▁Israel ' s ▁first ▁Chief