Jacob Ben Judah Weil, later known as Mahariv (Hebrew: יעקב בן יהודה ווייל) was a Germanrabbi and posek who as one of the Rishonim, was an active Talmudic authority during the first half of the fifteenth century.[1]
^Rosensweig, Bernard (1975). Ashkenazic Jewry in transition. Waterloo, Ontario: Wilfrid Laurier University Press. p. 11. ISBN978-0889200227.