What Is “Orthodoxy”? by the Rev. J. Gresham Machen, D.D., Litt.D. The following editorial by Dr. J. Gresham Machen appeared in the November 4, 1935 issue of The Presbyterian Guardian (vol. 1, no. 3). Machen’s editorials appeared under the title of “The Changing Scene and the Unchanging Word,” with Isaiah 40:8 as a referenced Scripture text. The Presbyterian Constituti..