Isaac Aboab da Fonseca
Isaac Aboab da Fonseca (or Isaak Aboab Foonseca) (February 1, 1605 – April 4, 1693) was a rabbi, scholar, kabbalist, and religious writer. In 1656, he was one of several elders within the Portuguese-Jewish community in Amsterdam and for a time in Dutch Brazil before the Portuguese reconquest.