St Magnus-the-Martyr Great Plague of 1665, the City authorities ordered fires to be kept burning night and day, in the hope that the air would be cleansed. Daniel Defoe's semi-fictictional, but highly realistic, work "A Journal of the Plague Year" records that one of these was "just by St Magnus Church". Despite its escape in 1633, the church was one of the first buildings to be destroyed in the Great Fire of London in 1666. St Magnus stood less than 300 yards from the bakehouse of Thomas Farriner in Pudding Lane where the fire started. Farriner, a former churchwarden of St Magnus,
Monument to the Great Fire of London column of either brass or stone should be set up on Fish Street Hill, on or near the site of Farynor's bakery, where the fire began. Christopher Wren, as surveyor-general of the King's Works, was asked to submit a design. Wren worked with Robert Hooke on the design. It is impossible to disentangle the collaboration between Hooke and Wren, but Hooke’s drawings of possible designs for the column still exist, with Wren’s signature on them indicating his approval of the drawings rather than their authorship. It was not until 1671 that the City Council approved the design, and it took