Daniel Fröschl, also written as Froeschl, belonged to the group of painters of German origin working at the court of Rudolf II. Habsburg in Prague. He worked as a draftsman, painter of small pictures and copyist. At the request of Rudolf II. he transformed the works of Albrecht Dürer, Lucas Cranach the Elder and Italian masters of the High Renaissance into miniatures. In 1607, the emperor appointed him the archivist of his collections.