Henry Morton Stanley, born John Rowlands (1841-1904), Welsh-American journalist, explorer, soldier, colonial administrator, author and politician. He is known for his exploration of central Africa and his search for missionary and explorer David Livingstone, whom he later claimed to have greeted with the now-famous line: Dr Livingstone, I presume?. He is mainly known for his search for the source of the Nile, work he undertook as an agent of King Leopold II of Belgium, which enabled the occupation of the Congo Basin region, and for his command of the Emin Pasha Relief Expedition. From the book Britain across the seas: Africa: a history and description of the British Empire in Africa, by Johnston, Harry Hamilton, Sir (1858-1927), published in 1910 in London by National Society's Depository.