The son of Charles Tiffany, the founder of the great New York jewellers and goldsmiths Tiffany and Co, Louis Comfort Tiffany started as a painter and then worked as an interior decorator before taking an interest in glassmaking. In 1893, he set up the first glassworks known under his name, which produced many objects, stained-glass windows and light fittings over the following decades. He is particularly known for creating "favrile glass" which became the hallmark of Tiffany glass creations. "Favrile" is a 17th-century term meaning "belonging to an artist or his art", a forceful reminder of the importance of crafts in this period…