 Following World War II and the Holocaust , large numbers of Hasidic and <unk> Jewish refugees immigrated to Williamsburg . The congregation initially had poor relations with these groups , but these later improved with some segments of the Hasidic community . The synagogue celebrated Bunin 's Silver Jubilee as rabbi in March , 1951 . His work <unk> Yitzhak was published in 1953 . 
