During the 1990s, Welsh professor Tudor Parfitt, known around the world as the “British Indiana Jones,” discovered evidence that the Lemba tribe in central Zimbabwe and northern South Africa has Jewish roots. He identified a genetic element in the male chromosomes of the tribe that comes from the Kohanim, the Jewish priestly line. This year, Dr. Parfitt published his latest of 25 books, Black Jews in Africa and the Americas. He also joined the faculty of Florida International University (FIU) and led an expedition to Papua New Guinea to visit the Gogodala tribe, which like the Lemba claims to be...