sentences:  Cremona was ordained as priest on 22 March 1969.After his ordination, he studied at the Pontifical University of St. Thomas Aquinas "Angelicum" and earned his doctorate in sacred theology (STD) in 1973 with a thesis entitled "The Concept of Peace in Pope John XXIII".Cremona was elected Prior of Our Lady of the Grotto, Rabat, in 1974, and held that position from 1974 to 1980 and from 1997 to 2003.