In 1911 a starving man emerged from the California wilderness as the last known survivor of the Yahi people, decades after his tiny band vanished to escape Gold Rush violence.

This episode traces the massacres that nearly erased his people, his years hidden in the canyons, and his remarkable life teaching anthropologists at the University of California.

• The 1865 Three Knolls Massacre and the survivors' 44-year concealment
• His 1911 emergence at a slaughterhouse near Oroville
• The naming taboo and Alfred Kroeber giving him the name Ishi
• Demonstrating pressure flaking with the tool now called the Ishi stick
• Modern analysis suggesting cultural blending with neighboring tribes