1848-1933. US artist and glassmaker, son of Charles Louis Tiffany, who founded Tiffany and Company, the New York City jewellers. He produced stained-glass windows, iridescent Favrile (from Latin faber `craftsman') glass, and lampshades in the Art Nouveau style. He used glass that contained oxides of iron and other elements to produce rich colours. In 1881 he founded his own decorating firm. By 1893, he began producing his glass art objects, which remained popular through the 1920s and enjoyed a resurgence of popularity from the 1950s on.