Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, examines the writings and the impact of Friedrich Nietzsche.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, examines the writings and the impact of the British naturalist Charles Darwin.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, examines the writings and political philosophy of Karl Marx.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, examines the writings of John Locke, Jean-Jacques Rousseau, and other significant writers during the European Enlightenment.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, examines the major philosophers of the Enlightenment.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, examines the writings of the Scottish philosopher David Hume.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, provides a background of the Scientific Revolution and the writings of Francis Bacon and Rene Descartes.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, provides a background of the Reformation and the writings of Martin Luther, Erasmus, and John Calvin.

Dr. C. Ivan Spencer, professor of philosophy at the College of Southeastern in Wake Forest, North Carolina, provides a background of the Renaissance and the writings of Niccolò Machiavelli and Giovanni Pico della Mirandola.

Winston Brady, Curriculum Adviser at Thales Academy, provides an overview of the Middle Ages and an analysis of the works of Thomas Aquinas and Dante Alighieri.