Annan, Thomas, 1829/1830-1887. Murray, John III, 1808-1892. Whymper, Josiah, 1813-1903. Engraved Portrait of David Livingstone after a Photograph by Thomas Annan, Date Unknown (c.1874). Images copyright National Library of Scotland. Creative Commons Share-alike 2.5 UK: Scotland (https://creativecommons.org/licenses/by-nc-sa/2.5/scotland/).  