The diet evidence was not spectacular in the way that the DNA findings were.

But it was meaningful in a different way: it grounded the ancient man in a specific ecological relationship with a specific landscape.

He was not an abstraction or a data point.

He was a person who had eaten the fish from the ancient lake that was visible from the cave where he was buried.

The Problem The Skull Created And The DNA Solved

In the years between the radiocarbon dating in the 1990s and the DNA analysis in the 2010s, the Spirit Cave Man’s skull was one of the most studied and most debated pieces of physical evidence in American archaeology.