Orthodox Presbyterian Church References Orthodox Presbyterian Church Christianity Ask Anything Homework Help Also known as: Presbyterian Church in America Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: John Gresham Machen…of America, which became the Orthodox Presbyterian Church in 1939. Machen was a major theological voice in support of conservative Christianity. Read More…of America, which became the Orthodox Presbyterian Church in 1939. Machen was a major theological voice in support of conservative Christianity. Read More