Like many cities throughout Britain and mainland Europe, Dundee was once surrounded by a defensive stone barricade. The coastal port of Dundee’s last remaining fortress lies to the east and likely survives today due to its connection to the Scottish Protestant Reformer George Wishart(1513-46). During the Plague of 1544, the controversial preacher was said to have given a sermon atop the balustrade to the infected, who were quarantined on the other side. A plaque on the wall reads: “During the Plague of 1544 George Wishart Preached from the Parapet of…