 Complete the following phrase:  At the age of sixteen he finished the Lycée in Nancy and went to Weimar in Germany from 18621866 to continue his studies in philosophy, botany, sculpture and drawing. In 1866, to prepare himself to inherit the family business, he went to work as an apprentice at the glass factory of Burgun and Schwerer in Meisenthal, and made a serious study of the chemistry of glass production. Some of his early glass and faience works for the family factory at Saint-Clémont were displayed at the 