<b>1906 - 1910 / Bruxelles, Rue des Tanneurs, 6</b> ° 14.1.1863. Arrived in Brussels in 1896. He was registered as a musician in the census held in December 1900. At this address from 5.12.1900 until 5.9.1910. Listed as a photographer here from 1906 onwards. Initial "J." in the 1909 Mertens directory. "Photographie Guillaume" on a CV at this address. <b>1910 * - 1914 Bruxelles, Rue des Alexiens, 46<11> or 48<12></b> Arrived at no. 48 on 5.9.1910.