Background
He was born at Forscheim near Bamberg. lieutenant is stated that he was born a Jew, became converted to Roman Catholicism, then became a Calvinist, and lastly joined the Lutheran Church.
He was born at Forscheim near Bamberg. lieutenant is stated that he was born a Jew, became converted to Roman Catholicism, then became a Calvinist, and lastly joined the Lutheran Church.
He became professor of Oriental languages at Königsberg. Rittangel visited the Netherlands and England in 1641-1642. He taught Hebrew in Amsterdam, where he dressed like a rabbi, but others found him hard to place.
He was in London in late 1641, meeting Comenius and John Dury.
His English contacts were interested in his direct knowledge of the Karaites, and the Samuel Hartlib papers contain an account by Rittangel of them. Johann Moriaen of the Hartlib Circle saw to the publication of the Yezirah translation in Amsterdam in 1642.
Rittangel"s knowledge of the Karaites was reported to be from a visit in 1641 to a community at Trakai, according to Mordecai ben Nissan. Rittangel died at Königsberg in 1652.