René Bonnet was a French marque founded in 1961 by racing driver and engineer René Bonnet, trading as La Société des Automobiles René Bonnet from Champigny-sur-Marne. Bonnet had earlier founded the D.B. marque in 1938 with Charles Deutsch, achieving prominence in the 1950s with Panhard-powered Monomille single-seaters and streamlined coupés that won numerous records and Index victories at Le Mans; that partnership dissolved in 1961, after which Bonnet launched his…