Category
page 1French materialists
Denis Diderot
French Enlightenment philosopher writer and encyclopædist (1713–1784)
Baron d'Holbach
German-born French philosopher (1723–1789)
Julien Offray de La Mettrie
French physician and philosopher
Jean Meslier
17th–18th century French priest and atheist (1664–1729)

Michel Onfray
French philosopher

Pierre Jean George Cabanis
French physiologist and materialist philosopher (1757-1808)
André Comte-Sponville
French philosopher
Georges Vacher de Lapouge
French anthropologist (1854–1936)
Jacques-André Naigeon
French philosopher and artist (1738-1810)
Félix Le Dantec
French biologist (1869-1917)

Jean-Claude Delamétherie
French naturalist, mineralogist, geologist and paleontologist (1743-1817)
Charles Léopold Mayer
chemist
Idéologues
thumb|right|Frontispiece of Destutt de Tracy's ''Éléments d'idéologie, Parts IV and V: Traité de la volonté et de ses effets'', 1815
The idéologues were a group of French philosophers, physicians and economists, active from the mid-1790s until the end of the Napoleonic era. With the philosopher Antoine Destutt de Tracy and the physician Pierre-Jean-Georges Cabanis as their leading theorists, the group aimed to develop a systematic "science of ideas" () grounded in eighteenth-century sensualist epistemology and focused on moral, political and educational reform. Although they were never a forma