It is no more than appropriate that in Sir Christopher Wren’s tercentenary, the star feature of his masterpiece, the Whispering Gallery at St Paul’s Cathedral, should have been re-opened after four years of renovation. London’s great sotto voce experience is back.

Working as a Blue Badge Tourist Guide in I often show my guests – especially if they have young children - the bust of the William Buckland in the south aisle of Westminster Abbey. He may hardly be a household name but Buckland is memorialised for his appointment as Dean of the Abbey in 1845 and his work as an early palaeontologist and undergroundologist (geologist). He excelled at two of the new sciences that would enthral Britain in the nineteenth century.