The Liturgical Movement was a 19th-century and 20th-century movement of scholarship for the reform of worship. It began in the Catholic Church and spread to many other Christian churches including the Anglican Communion, Lutheran and some other Protestant churches. History Background to the Mass of the Roman Rite Developments in Belgium and Germany At almost the same time, in Germany Abbot Ildefons Herwegen of Maria Laach convened a liturgical conference in Holy Week 1914 for lay people. Herwegen thereafter promoted research which resulted in a series of publications for clergy and lay people during and after World War I. One of the foremost German scholars was Odo Casel. Having begun by studying the Middle Ages, Casel looked at the origins of Christian liturgy in pagan cultic acts, understanding liturgy as a profound universal human act as well as a religious one. In his Ecclesia Orans (The Praying Church) (1918), Casel studied and interpreted the pagan mysteries of ancient Greece and Rome, discussing similarities and differences between them and the Christian mysteries. His conclusions were studied in various places, notably at Klosterneuburg in Austria, where the Augustinian canon Pius Parsch applied the principles in his church of St. Gertrude, which he took over in 1919. With laymen he worked out the relevance of the Bible to liturgy. Similar experiments were to take place in Leipzig during the Second World War.<ref>Ernest Benjamin Koenker, The Liturgical Renaissance in the Roman Catholic Church (1954), p. 10</ref> Second Vatican Council Effect on church architecture The Liturgical movement was influential in church design in France, Belgium Germany, Switzerland and the UK - where it was introduced in the 1950s. The New Churches Research Group was founded in 1957 in the UK to promote "a modern idiom appropriate to the ideas of the Liturgical Movement". The NCRG was a group of Catholic and Anglican church architects and craftspeople who promoted liturgical reform of churches though publications such as The Tablet and Architects' Journal. The group was co-founded by Peter Hammond, Robert Maguire and Keith Murray (an ecclesiastical designer), and included architects Peter Gilbey, John Newton (Burles, Newton & Partners), Patrick Nuttgens, George Pace, Patrick Reyntiens (stained glass artist), Austin Winkley, Lance Wright, as well as Catholic priest and theologian Charles Davis. The Second Vatican Council saw the acceptance of many of the movement's ideas, resulting in a radical rethinking of design, expressing 'noble simplicity rather than sumptuous