Geraud de Cordemoy, 1600-1684 -- Clerselier, 1614-1684, and Rohault, 1620-1675 -- Louis de la Chambre, 1594-1669 -- Samuel Sorbière, 1615-1670 -- Louis de la Forge and the critique of substantial forms -- Cartesian doctrine and the animal soul -- Clauberg and the development of occasionalism -- Some historical steps towards parallelism -- Cartesian refutations of Spinoza -- Matter and scientific efficiency -- Man, Thomistic and Cartesian.