4. The Political Economists and Constitutionalists: Montesquieu (1689–1755), Quesnay, Turgot, Morelly, Mably.

5. The Sentimentalist: Rousseau (1712–1778), the most notable figure of France during the Enlightenment.

6. Philosophical Revolutionists: St. Lambert (1716–1803), Volney (1757–1820), Condorcet (1743–1794), Garat (1749–1833).

In Germany.

1. Thomasius (1655–1728), the first of the Enlightenment.

2. The Wolffians: Wolff (1679–1754), Bilfinger, Knutzen (d. 1751), Gottsched (1700–1766), Baumgarten (1714–1762).

3. The Geometrical Method and its Opponents: Hansch, Ploucquet, Crousaz, Rüdiger (1671–1731), Crusius (1712–1775), Budde, Brucker, Tiedemann, Lossius, Platner.

4. The Psychologists and Related Philosophers: Kruger, Hentsch, Weiss, Irwing, Moritz (1757–1793), Basedow (1723–1790), Pestalozzi, and Sulzer.

5. The Independent Philosophers: Lambert (1728–1777), Tetens (1736–1805).

6. The Deists: Schmidt, Semler (1725–1791), Reimarus (1699–1768), Edelmann.