[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; early modern liberal architect portrait of John Locke; emphasis on rights, government; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; early modern social contract radical portrait of Jean-Jacques Rousseau; emphasis on citizenship, education; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; early modern order theorist portrait of Thomas Hobbes; emphasis on sovereignty, security; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; early modern state realist portrait of Niccolo Machiavelli; emphasis on power, republicanism; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; modern historical materialist portrait of Karl Marx; emphasis on capital, class conflict; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; medieval scholastic synthesizer portrait of Thomas Aquinas; emphasis on theology, natural law; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; medieval polymath systematizer portrait of Avicenna; emphasis on metaphysics, medicine; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; classical ethics minimalist portrait of Epicurus; emphasis on pleasure, atomism; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; classical stoic statesman portrait of Seneca the Younger; emphasis on stoicism, civic life; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; early modern skeptical analyst portrait of David Hume; emphasis on empiricism, causation; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; early modern radical rationalist portrait of Baruch Spinoza; emphasis on metaphysics, political theology; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; modern dialectical architect portrait of Georg Wilhelm Friedrich Hegel; emphasis on history, spirit; ornate card corners with machine-readable glyph logic.]

[Placeholder: scholarly oil portrait, paper grain, marginalia glow, geometric manuscript framing with low-key luminescence; modern existential forerunner portrait of Soren Kierkegaard; emphasis on faith, selfhood; ornate card corners with machine-readable glyph logic.]