 He died soon after the appearance of the first volume of Azariah dei Rossi's "Meor 'Enayim," with which he started the series (Vilnius, 1863).In his later years Benjacob was one of the leaders and representatives of the Jewish community of Vilnius, and took an active part in all communal affairs.In his correspondence with Isaac Bär Lewinsohn, which is partly published in "Ha-Kerem" (pp.