In honour of the 450th anniversary of the Missale Romanum of 1570 and the 50th anniversary of the Missale Romanum of 1970, an international, ecumenical discussion was hosted by the Pontifical Institute of Liturgy at Sant'Anselmo, Rome, 17-18 November 2020 as part of the project Liturgiam aestimare: Appreciating Liturgy.

RR. Gregory J. Polan OSB, from Conception Abbey, Missouri; Abbot Primate of the Benedictine Confederation, Chancellor of the Ateneo St. Anselmo.
R.P. Bernhard Eckerstorfer OSB, monk of Kremsmünster Abbey, Austria; Rector of the Ateneo St. Anselmo.
R.P. Jordi-Agustí Piqué i Collado OSB, monk of Montserrat Abbey, Spain; Dean of the Pontifical Institute of Liturgy (PIL), Rome.

Four papers were submitted and read by the participants in preparation for discussion at the colloquium. Participants either gave a paper or a prepared response to a paper; they included a religious superior and scholars with terminal degrees in their field.

RR. Ian Ernest, Anglican Archbishop; Director, Anglican Centre, and The Personal Representative of the Archbishop of Canterbury to the Holy See.
R.P. Stefan Geiger OSB, monk of Schäftlarn Abbey, Germany; Lect.: Faculty of Theology and PIL, St. Anselmo; Liturgy Institute London.
Prof. Basilius “Bert" Groen, Prof. em., University of Graz; Prof. inv.: KU Leuven; Pontifical Oriental Institute, Rome; Liturgy Institute London.
R.P. James Leachman OSB, monk of Ealing Abbey, London; Prof. em. PIL; Prof. inv. KU Leuven; participant, Process Work Psychology.
R.P. Daniel McCarthy OSB, monk of St. Benedict's Abbey, Atchison, Kansas; Lect., PIL; Liturgy Institute London; Prof. inv. KU Leuven.
Prof. Gerard Moore, President, The Australian Institute of Theological Education, Pennant Hills, New South Wales.
R.P. Pachomius Okogie OSB, monk of Ewu Priory, Edo, Nigeria; member, Perspective Science, Austin, Texas; ex-secretary general, teacher, St. Anselmo.

Read more »


In collaboration with