Fig. 1From: The history and value of face masks(source Wikipedia https://de.wikipedia.org/wiki/Pestdoktor#/media/Datei:Paul_Fürst,_Der_Doctor_Schnabel_von_Rom_(coloured_version).png)Colored version of a copper engraving of Doctor Schnabel (i.e., Dr. Beak), a plague doctor in seventeenth-century Rome, circa 1656 by Paul Fürst (1608–1666) of Nuremberg made for a broadsheet, German derivate of a sheet of Sebastiano Zecchini, 1656Back to article page