New DNA analysis adds evidence Jefferson fathered children with Sally Hemings

A lock of hair, 15 years of sleuthing and a 200-year-old question. In History by a Hair , Smithsonian Institution scholar Richard Kurin follows the DNA trail back to Thomas Jefferson.

<img src='undefined' alt='A clipping of hair labeled as Thomas Jefferson's in the collections of the Thomas Jefferson Foundation at Monticello, his primary home and plantation.'/><p>A lock of hair, 15 years of sleuthing and a 200-year-old question. In<em> History by a Hair</em>, Smithsonian Institution scholar Richard Kurin follows the DNA trail back to Thomas Jefferson.</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5791513' />