The final word on Jefferson and Hemmings?
A manuscript under review in a refereed journal and a new book together provided new evidence that at least two children of Thomas Jefferson’s slave Sally Hemmings were fathered by Jefferson. “After a covert and exhaustive 15-year effort led by the Smithsonian Institution, a team of geneticists, genealogists, historians, and anthropologists believe it has found proof that Jefferson fathered at least two of Hemings’s six children. On Tuesday, Richard Kurin, a Smithsonian cultural anthropologist, who led the multidisciplinary research effort, will publish a book detailing the team’s findings. A scientific paper is currently under review for publication in Proceedings of the National Academy of Sciences ( PNAS ). The researchers, who agreed to speak with me about their results before publication, relied on the latest genetic techniques to reassemble Jefferson’s genome from the Founder’s hair. They then matched that sequence with DNA from descendants of two of He...