Samuel White Baker (1821-1893) and his wife being received by the head of Faieera, Rot Jarma, engraving from Ismailia, from a narrative of the expedition to Central Africa for the suppression of the slave trade, by Samuel White Baker (1821-1893 ), 1874. Africa, 19th century. Full Credit: De Agostini Picture Library / Granger, NYC -- All rights res