Writing · b. 1931 · Glasgow, Scotland, UK Mary Ann MacClean Biography Mary Ann MacClean was a Scottish writer and founder of The Process Church of the Final Judgment. Acting DeGrimston 2010 Other Credits New Processean Order: Live @ Recanati Writer 2018 New Processean Order Writer 2018 Charles Manson, The Church of Satan, The Universal Order & The Process Church of Final Judgment Writer 2012 The Process Church of the Final Judgement - A Sabbath Assembly Ritual and Salon Writer 2009 Agent-readable