Carlos (Charles) Delsaux was one of the leading Belgian ceramicists working in stoneware. He was the first artist to develop, after long and patient research, the brilliant yellow glaze derived from uranium oxide, an example of which is included in the present lot.
Delsaux was a close friend of Marcel Wolfers. They met while Delsaux was working at Roger Guerin's pottery, where many of Marcel's ceramic sculptures were fired. Guerin married Delsaux's sister Camille in 1917, and both Delsaux and Guerin exhibited at the Belgian Pavilion at the Paris 1925 Exhibition.
See: Art Deco Belgique 1920 - 1940, Musée Ixelles, Brussels, 1988, p. 157/8, cat. Nos. 312 - 318, further biographical details and similar examples illustrated.