Lead: On October 23, 1871, two men greeted each other on the shores of Lake Tanganyika in Africa. It was during this brief encounter there was uttered one of history’s most famous phrases. “Dr. Livingston, I presume?”

Intro.: A Moment in Time with Dan Roberts

Content: In 1866, missionary David Livingston embarked from there on what would be his last journey to Africa. His goal—to find the source of the Nile River. Livingston began with a party of 30 porters, several Indian soldiers, freed slaves and local recruits. But most of party dropped out—leaving only Livingston and a handful to continue.