210 HISTORY OF THE GERMAN PEOPLE We are indebted to him, amongst other discoveries, for that beautiful yellow which is produced from silver.
- He was a man of virtuous and godly life, and an ex-
ample to all citizens and nobles.' Glass-stainers were met with in the monasteries of Clus (1486) and Wal- kenried (1515). In the Convent of Wienhausen, at the beginning of the sixteenth century, the lay sister Adelheid Schraders glazed and painted all the win- dows. About the same time a nun of the St. Cathe- rine's convent in Nuremberg wrote a little German book in which she gave instructions for making glass pictures in mosaic. Among the principal specimens of the artistic glass- work of the period may be mentioned those in the Church of St. Catherine in Salzwedel, in the Cathedral of Stendal, in the Church of Falkenhagen, in the Church of St. Matthew in Treves, in the choir of the Cathe- dral of Freiburg, in the Cathedrals of Eatisbon, Augs- burg, and Eichstadt, in the Frauenkirche at Munich, in the Chapel of the Palace at Blutenberg, in the Churches at Pipping and Jenkofen, in the Churches of St. James at Straubing, in the Chapel of the Vienna Palace, and in the church at Heiligenblut, near Weiten. The glass paintings of Nuremberg, Ulm, and Cologne are the most famous, and are worthy to be compared with those in the Church of Magdalen, and the Wil- helmiter Church at Strasburg. Those in the Nurem- berg churches of St. Lawrence and St. Sebald are considered to be among the most beautiful in the world. Veit Herschvogel, born in 1451, and descended from a family of glass-stainers in Nuremberg, had no equal in his art. Among his finest works is the ' Volkamer
