Before revision: Other notable political philosophers of the time include Nizam al-Mulk, a Persian scholar and vizier of the Seljuq Empire who composed the Siyasatnama, or the "Book of Government" in English .
After revision: Other notable political philosophers of the time include Nizam al-Mulk, a Persian scholar and vizier of the Seljuq Empire who composed the Siyasatnama, or the "Book of Government" in Persian .