Charles Guillaume Alexandre Bourgeois

Charles Guillaume Alexandre Bourgeois (16 December 1759 – 7 May 1832) was a French

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate ca ...

and

painter Painting is the practice of applying paint, pigment, color or other medium to a solid surface (called the "matrix" or "support"). The medium is commonly applied to the base with a brush, but other implements, such as knives, sponges, and ...

. As a painter, he's known by his gray

camaïeu ''Camaïeu'' (also called ''en camaïeu'') is a technique that employs two or three tints of a single color, other than gray, to create a monochromatic image without regard to local or realistic color. When a picture is monochromatically rendered ...

x; some of his

portrait A portrait is a painting, photograph, sculpture, or other artistic representation of a person, in which the face and its expressions are predominant. The intent is to display the likeness, personality, and even the mood of the person. For this ...

s are in the

Musée du Louvre The Louvre ( ), or the Louvre Museum ( ), is the world's most-visited museum, and an historic landmark in Paris, France. It is the home of some of the best-known works of art, including the ''Mona Lisa'' and the ''Venus de Milo''. A central l ...

. As a physicist, he was an important optician. His two main works are: *''Leçons expérimentales d'optique sur la lumière et les couleurs destinées à rétablir dans leur intégrité les faits dénaturés par Newton'' (1816–1817) *''Manuel d'optique expérimentale à l'usage des artistes et des physiciens'' (1821). File:Bourgeois-charles-guillaume-alexandre laetitia-ramolino.tiff, File:Jean Gaspar Vence.jpg, 18th-century French painters French male painters 19th-century French painters French physicists 1759 births 1832 deaths 19th-century French male artists 18th-century French male artists {{France-painter-18thC-stub