Mass of St. Thomas Aquinas Homily Posted on February 5, 2016 by Fr. Gabriel Gillen, OP in General Stained glass window from St. Dominic’s Church in Washington, D.C. Photo by Fr. Lawrence Lew, O.P. Fr. Peter John Cameron, O.P. was the homilist for the January 28th Mass of St. Thomas Aquinas at the Basilica of the National Shrine of the Immaculate Conception in Washington, D.C. Click here for the transcript of the homily. Homily During Mass of St. Thomas Aquinas from CUA Video on Vimeo.