Did Thomas Jefferson Father Sally Hemings’ Children? After More Than a Decade of Research, the Answer Is Finally Firmly in Hand

It was a rather dreary October afternoon in 2011 when I turned to my computer to watch a rough cut of Jefferson’s Secret Bible, a documentary for the Smithsonian cable television channel. I was the Under Secretary of the Smithsonian Institution, and the film was about the conservation of a precious artifact, a book known as the “Jefferson Bible” that would soon go on display at the National Museum of American History. After his retirement to Monticello, Thomas Jefferson had carefully cut out selected passages from Greek, Latin, French and English versions of the Bible, then pasted them in four...