For 10 points, name this playwright who wrote The Jew of Malta and Doctor Faustus.
In one of this author's plays, the protagonist causes horns to grow from a knight's head for doubting his powers. The ghost of Machiavelli introduces another of this author's plays, whose title character falls in the boiling cauldron he intended to use to kill a prince. He's not Goethe, but the protagonist of a play by this man asks, "Was this the face that launch'd a thousand ships?" after summoning a vision of Helen of Troy; that character offers his soul to Mephistophilis in exchange for knowledge. For 10 points, name this playwright who wrote The Jew of Malta and Doctor Faustus.
In one of this author's plays, the protagonist causes horns to grow from a knight's head for doubting his powers.
Christopher Marlowe