▁was ▁in ▁Detroit ▁where ▁the ▁Ros h ▁Kol le l ▁Rab bi ▁Mos he ▁Schw ab ▁ ז צ " ל ▁encourag ed ▁Rab bi ▁Jacob ov itz ▁to ▁enter ▁the ▁kir uv ▁world . ▁ ▁Career ▁of ▁Kir uv ▁Starting ▁with ▁sh i ur im ▁in ▁the ▁Kol le l ' s ▁bas ement , ▁in ▁the ▁summer ▁of ▁ 1 9 8 0 , ▁Rab bi ▁J . ▁( as ▁he ▁is ▁affection ately ▁known ) ▁founded ▁Mach on ▁L ' T or ah , ▁the ▁Jewish ▁Learning ▁Network ▁of ▁Michigan . ▁ ▁Through out ▁the ▁years , ▁Mach on ▁fl our ished ▁to ▁be ▁a ▁world - class ▁kir uv ▁organization , ▁where ▁Rab bi ▁Jacob ov itz ▁lect ured ▁to ▁college ▁students ▁throughout ▁Michigan , ▁primarily ▁at ▁the ▁University ▁of ▁Michigan ▁in ▁Ann ▁Ar bor , ▁and ▁Michigan ▁State ▁University ▁in ▁L ans ing . ▁As ▁a ▁result , ▁hundreds ▁have ▁found ▁their ▁faith , ▁and ▁became ▁ba ale i ▁t es hu va . ▁He ▁has ▁also ▁become ▁an ▁expert ▁on ▁the ▁topic ▁of ▁inter mar riage , ▁and ▁has ▁author ed ▁a ▁book ▁titled ▁Per fect ▁Str angers : ▁Red ef ining ▁Inter mar riage . ▁ ▁Mach on ▁also ▁had ▁a ▁week ly ▁Sh abb os ▁min yan , ▁which ▁started ▁in ▁Rab bi ▁Jacob ov itz ' s ▁private ▁bas ement . ▁Following ▁M uss af , ▁Rab bi ▁Jacob ov itz ▁teach es ▁a ▁few ▁hal ach os ▁from ▁the ▁K itz ur ▁Sh