From the time of the Chazon Ish until Rabbi Nissim Karelitz it was Rav Elazar Shach who was regarded as the pre-eminent leader .
The Chazon Ish was a previous rabbinical spiritual leader of Bnei Brak .
From the time of the leader   until Rabbi Nissim Karelitz it was Rav Elazar Shach who was regarded as the pre-eminent leader .
The Chazon Ish was a previous rabbinical spiritual leader of Bnei Brak .