Heinrich Cornelius Agrippa von Nettesheim ( ; 14 September 1486 -- 18 February 1535 ) was a German magician , occult writer , theologian , astrologer , and alchemist .
Heinrich Cornelius Agrippa von Nettesheim ( September 14 , 1486 -- February 18 1535 ) was a German occult writer , astrologer , and alchemist .