Charles-Raphaël Maréchal (1818–1888) was a French painter of the nineteenth century.
He was trained in charcoal technique from a young age by his father[1] and pointed toward an artistic career.
[1] Interested in chemistry, he is credited as co-inventor (with Cyprien Tessié du Motay) of the collotype process.
[note 1] Maréchal and du Motay's work won a gold medal at the Paris Exposition of 1867.
[1] Together, Maréchal and du Motay were awarded several patents for processes such as printing on glass windows, producing oxygen for public lighting, and so forth.