Historia Ecclesia

Camden Bucey speaks at Faith OPC in Pole Tavern, NJ on the topic of the five solas and their abiding significance. This lesson was part of Faith OPC's annual Reformation Day celebration. We apologize in advance for the audio quality in the latter half of

Camden Bucey and Jeff Waddington discuss the Council of Chalcedon and its key contribution to orthodox theology - a formulation of the hypostatic union.

Jeff Waddington and Camden Bucey speak about Francis Turretin and his insights into the much debated topic of right reason. Theologians have debated the effects of sin upon the mind. In the Reformed world, this debate often centers upon figures such as Ch

In this brief episode, Camden Bucey discusses the Van Tilian interpretive tradition. Cornelius Van Til was an influential figure in the development of a distinctively Reformed apologetic. Camden Bucey discusses the issue of divergences in the Van Tilian

Westminster Theological Seminary was founded in 1929 as a result of denominational conflict within the Presbyterian Church in the USA. J. Gresham Machen brought together several men in an attempt to carry on the rich Reformed tradition of Old Princeton. I

Darryl G. Hart concludes his series on J. Gresham Machen with a lesson on assessing this great figure in American Presbyterianism.

Darryl Hart discusses more about early 20th century liberalism and Machen's fight for the history of Scripture and the importance of the doctrine contained therein.

Machen deals with Charles Erdman and Robert Speer in the fight against sentimentality.  Dr. Darryl G. Hart taught this lesson at Calvary Orthodox Presbyterian Church in Glenside, PA where he serves as elder. post photo by jayegirl99

Darryl Hart continues his series on J. Gresham Machen looking at Machen and the Independent Board of Presbyterian Foreign Missions.  The independent board was created as a reaction to the liberal theology permeating the denominational board.  The contro

Or roughly, "The Making of Van Til."  Camden Bucey builds a case that Machen is the principal historical reason for Cornelius Van Til becoming the influential reformed apologist he became. Download the handout

Darryl G. Hart continues his teaching series on J. Gresham Machen with a look at Machen's views about politics and the relation between the church and state.  This lesson was taught at Calvary Orthodox Presbyterian Church in Glenside, PA where Dr. Hart s

In this lesson, Dr. Hart touches upon Harry Emerson Fosdick, the ordination of liberals, the five fundamentals and the Auburn Affirmation.

In 1923, J. Gresham Machen published Christianity and Liberalism.  In the book Machen argued that liberalism was not another form of Christianity, but indeed was a different religion.  Darryl G. Hart explains the historical context of this influential b

Darryl G. Hart speaks about Machen and the Plan of Organic Union.  This is part four of a series on Machen taught at Calvary OPC in Glenside, PA. post photo from wells.net

Darryl G. Hart speaks about Machen's experience through World War I.  This is part three of a series on Machen taught at Calvary OPC in Glenside, PA.