Shmuel HaLevi Wosner ( , 4 September 1913 -- 3 April 2015 ) was a prominent Haredi rabbi and posek ( `` decisor of Jewish law '' ) living in Bnei Brak , Israel .
Shmuel HaLevi Wosner ( 4 September 1913 -- 3 April 2015 ) was an Austrian-born Israeli rabbi and posek . He lived in Bnei Brak , Israel .