Prior to its completion in 1906 , Polyakov allowed the congregation to pray in his own house .
Lazar Polyakov remained the leader of Moscow Jewish community for 35 years , and has been the main sponsor of Moscow Choral Synagogue .
Prior to its completion in 1906 , Lazar Polyakov allowed the congregation to pray in Lazar Polyakov 's own house .
Lazar Polyakov remained the leader of Moscow Jewish community for 35 years , and has been the main sponsor of Moscow Choral Synagogue .