Johannes Crellius, Hans Krell, Jan Crell 1590-1633, was a Polish-German philospher, one of the chief theologians of Polish brethren and author of Ad librum Hugonis Grotii quem de satisfactione Christi... (1623), De Deo et eius attributis... (1630), De uno Deo Patre libri duo (1631).. From 1613 he worked at the Academy of Rakow, and he was rector of the academy 1616-1621.
