Gabriele Finaldi was the first to point out that the seated pope seems to be Pius V (Ghislieri), the Dominican, pro-Spanish pontiff who reigned from 1566 to 1572. As Cardinal Ghislieri, he held the office of grand inquisitor under the two previous pontiffs, Paul IV and Pius IV. Comparison of the visage and physique of the pope in the drawing with those in the many surviving portraits of Pius V sho