- H ung arian ▁Empire . ▁His ▁father , ▁Sh ol om ▁Green berg , ▁was ▁a ▁ra bbi ▁and ▁a ▁Tal m ud ist ▁who ▁taught ▁religion ▁in ▁Gro dek ▁and ▁in ▁the ▁neighbor ing ▁provinces . ▁Ig or ▁was ▁not ▁close ▁to ▁his ▁father ; ▁it ▁was ▁his ▁bel oved ▁mother , ▁Y ente ▁Mor itz ▁Green berg , ▁who ▁passed ▁on ▁her ▁love ▁of ▁music ▁to ▁her ▁son . ▁ ▁Ig or ' s ▁father ▁en rolled ▁him ▁in ▁the ▁Tal m ud ist ▁school ▁where ▁Ig or ▁displayed ▁an ▁amaz ing ▁apt itude ▁for ▁the ▁orth odox ▁Jewish ▁lit ur gy , ▁which ▁he ▁committed ▁to ▁memory . ▁ ▁He ▁master ed ▁Heb rew ▁and ▁eventually ▁spoke ▁eight ▁languages ▁flu ently . ▁He ▁also ▁sang ▁in ▁the ▁local ▁syn agog ue ▁cho ir . ▁ ▁In ▁ 1 9 1 9 , ▁when ▁Ig or ▁was ▁ 1 5 , ▁the ▁Green berg ▁family ▁moved ▁to ▁Vienna , ▁Austria . ▁ ▁Living ▁conditions ▁in ▁Vienna ▁were ▁not ▁much ▁better ▁than ▁they ▁had ▁been ▁in ▁Gro dek . ▁ ▁Ig or ▁worked ▁at ▁many ▁different ▁jobs ▁during ▁these ▁years : ▁ ▁in ▁an ▁iron ▁factory , ▁a ▁tail or ▁shop , ▁and ▁deliver ing ▁milk . ▁ ▁The ▁work ▁hours ▁were ▁from ▁ 6 ▁am ▁until ▁ 8 ▁pm , ▁ 6 ▁days ▁a ▁week . ▁ ▁In ▁what ▁little ▁free ▁time ▁he ▁had , ▁he ▁visited ▁the ▁public ▁library ▁and ▁sat ▁in ▁on ▁many ▁lect ures ▁at ▁the ▁U