Steve Olson, the author of Mapping Human History: Genes, Race and our Common Origins is the guest.

<p>Thanks to a grant from Humanities Tennessee and the National Endowment for the Humanities, we created a series of interviews at the AMSE Foundation about the connections of science, engineering, and history, suitably called The STEM of History. One guest I interviewed was Steve Olson, the author of many terrific books including Mapping Human History: Genes, Race and our Common Origins.</p>