David Livingstone (b. Mar 19, 1813; d. May 4, 1873)
A Scottish Congregationalist pioneer medical missionary with the London Missionary Society and explorer in central Africa. He was the first European to see Mosi–oa–Tunya (Victoria Falls), to which he gave the English name in honor of his monarch, (Queen Victoria). He is the subject of the meeting with H.M. Stanley, Welsh–American journalist and explorer, which gave rise to the popular quotation (noted in the paragraph header), “Dr. Livingstone, I presume?”