a German magician, occult writer, theologian, astrologer, and alchemist. Agrippa studied briefly with Johannes Trithemius, and Agrippa sent him an early draft of his masterpiece, De occulta philosophia libri tres, a kind of summa of early modern occult thought. Trithemius was guardedly approving, but suggested that Agrippa keep the work more or less secret; Agrippa chose not to publish, perhaps for this reason, but continued to revise and rethink the book for twenty years.
