The first stage of his later development which resulted in the establishment of the Irvingite or Holy Catholic Apostolic Church in 1832 was associated with the Albury Conferences (1826–30), moderated by Hugh Boyd M‘Neile (1795-1879), at his friend Henry Drummond's seat, Albury Park at Albury, Surrey concerning unfulfilled prophecy, followed by an almost exclusive study of the prophetical books and especially of the Apocalypse, and by several series of sermons on prophecy both in London and the provinces.