**Professor at the Pontificia Università della Santa Croce, Rome** - School of Communication - School of Theology (Department of Church History; Institute of Liturgy) **Research areas** • Art and Church in the 20th and 21st centuries • Second Vatican Council (1962–1965). Documents, history and reception • History of art and architecture (Late Antiquity, Medieval, Modern, Contemporary) • Aesthetics and spirituality • Rhetorics, Communication, Iconography of Art • Liturgical art. History, mystagogical understanding, and liturgical formation • Cultural journalism and Pastoral attention to the Cultural Heritage of the Church (catechesis, religious education, popular piety, guided tours, internet, liturgy, sermon) • History of art and architecture in Rome • Popes and artists in the 20th and 21st centuries. From Pius X to Francis • Catholic Church’s magisterium on art and artists (Apostolic See, Bishops’ Conferences)