During this period he was also supervising the gold smithing department at l'École des Arts Appliqués.
The following year, Steph Simon opened a design gallery at 145 Bd St Germain in Paris.
Serge Mouille suffered from tuberculosis for many years, and in 1959 he was forced to suspend his design activities and undergo treatment.
Serge Mouille remains famous primarily for his minimalistic designs and use of uniformly black painted metal materials.
His wall-mounted spot light fixture with articulated arms is typical for his discrete, yet highly functional designs.