Mark Dever offers a brief assessment on Augustine, Martin Luther, John Calvin, Richard Sibbes, D. Martyn Lloyd-Jones, Carl Henry, John Stott, J.I. Packer, D.A. Carson, R.C. Sproul, John Piper, Al Mohler, Ligon Duncan, Tim Duncan, and John MacArthur. (The above is an excerpt from a longer interview of Mark Dever conducted by C.J. Mahaney.)