PHOTOS: Solemn Mass of Pentecost Sunday with Fr. Angelo Van der Putten May 20, 2018 by Mater Dei Latin Mass Parish Images from the 9:00 AM Solemn High Mass for the Feast of Pentecost. Fr. Angelo Van der Putten, FSSP, from the FSSP apostolate in Nigeria, Priest; Fr. Timothy O’Brien, FSSP, acting as Deacon; Fr. Thomas Longua, FSSP acting as Subdeacon.