<b>1887 - 1890 Liège, Rue Saint-Léonard, 392</b> Louis Jules Auguste, ° 15.8.1839. Belonged to a family of merchants from Nancy [F] who grew rich from the sugar trade in Nantes [F]. Initially recorded as an industrialist in the foreigners' register in 1883 and resident in Brussels - Laeken in December 1884. Director of the "S.A. des Plaques Photographiques (Excelsior)", founded in 1887. Cézard applied various systems of coating gelatine onto gelatine silver bromide dry plates. <b>1891 - 1894 Liège, Rue du Saint-Esprit, 86<91> or 106<93></b> According to a note in the ABP card file, Cézard left Belgium in 1893. In 1894, G. Bardeau was the company director. <b>1897 - 1902 Liège, Rue Saint-Paul, 8<02 no street></b> Cézard's son Edouard Jean Nicolas (° Nantes [Loire-Atlantique, F], 1.4.1866; + Visé, 22.9.1897), recorded as a photographer domiciled in Liège, was found drowned in the river Meuse. At that time, Louis Cézard was domiciled in Savenay [Loire-Atlantique, F]. An unverified source states that Louis Cézard died in 1899.