From 1642 to 1654 Isaac Aboab da Fonseca was the hakham (Torah scholar) and spiritual leader of the oldest Jewish community in the New World. As a Hebrew grammarian, a poet, and a mystic, as well as an excellent and very popular preacher, Aboab da Fonseca (born 1605) was not only one of the most interesting Jewish personalities of the seventeenth century, but his writings are an invaluable historical resource with regard to many aspects of Jewish life in Dutch Colonial Brazil, the local attitudes towards Jews, and corroboration of events outlined in contemporary literary sources. His forebears were so-called New Christians, having undergone compulsory conversion to Catholicism in Portugal. In order to be able to live freely as professing Jews, the family moved in about 1612 to Amsterdam. There, Hakham Isaac Uziel of Fez became his Talmud teacher; among his colleagues was Menasseh Ben Israel. In 1638 he was confirmed as one of the four hakhamim of the new congregation Talmud Torah
of Amsterdam. In 16