"(25 October 1601 - March 1685 Master of the Worshipful Company of Barber-Surgeons, and translated to the Worshipful Company of Grocers, of which he became Master 1677. Lord Mayor of London 1661 Article in Wikipedia [1]. Information on Frederick's Place, named after him, here [2]."@en . . . . . "(25 October 1601 - March 1685 Master of the Worshipful Company of Barber-Surgeons, and translated to the Worshipful Company of Grocers, of which he became Master 1677. Lord Mayor of London 1661 Article in Wikipedia [1]. Information on Frederick's Place, named after him, here [2]."@en . "John Frederick (Lord Mayor)"@en .