Engraving showing Sir Henry Morton Stanley (1841-1904) (on right, wearing dark jacket) setting out from Yambuya Camp on the 28th June 1887 during the Emin Pasha Relief Expedition. Emin Pasha, a German doctor, explorer, linguist and the Governor of the Egyptian Equatorial Province had retreated to Wadelai, near Lake Albert, with 10,000 followers during the Mahdi Rising of the mid-1880's. Cut off from all communication Emin Pasha was considered lost, so the British government sent out a resc