Percy Bolingbroke St John (1821 - 1889) was an English journalisThe eldest son of James Augustus St John, he was born in Camden Town. He accompanied his father on some of his travels, particularly to Madrid for research, and he also travelled in America. In 1846 St John edited the Mirror of Literature, and in 1861 the London Herald. As correspondent to various newspapers, his miscellaneous contributions to the press were numerous; and he was also a frequent contributor of papers to Chambers's Journal and other magazines. St John died in London on 15 March 1889