Sir Henry Morton Stanley negotiating with Congo chiefs. Sir Henry Morton Stanley (also known as Bula Matari "Breaker of Rocks" in Congo), was born John Rowlands (1841-1904). A 19th-century, Welsh-born, American journalist and explorer, he is famous for his exploration of Africa and his search for David Livingstone. The African Adventure - A History of Africa's Explorers by Timothy Severin, page 279. *** Local Caption ***