Abd al-Wahid bin Masoud bin Muhammad al-Annuri isn’t the kind of name usually associated with Elizabethan portraiture, better known for its pallid, blank-faced English aristocrats. But in the autumn of 1600, Al‑Annuri, recently arrived in London as the ambassador of the Sa’adian ruler of Morocco Mulay Ahmed al-Mansur, sat for his portrait, the earliest surviving picture of a Muslim painted from li