Jean Louis Albert Mathieu: The Alchemist of Light and Ceramic Jean Louis Albert Mathieu, more commonly known as Mathieu Deroche, stands as a singular figure in 19th-century French art – a miniaturist and photographer who pioneered a remarkable technique that fused the delicate artistry of portraiture with the enduring qualities of ceramic. Born in Dijon in 1837, Mathieu’s career unfolded against the backdrop of rapid technological adv…