Tudor Parfitt, the protagonist of the NOVA documentary "Lost Tribes of Israel," made a journey through southern Africa to study the unusual traditions of a black African tribe called the Lemba.

The man in the yarmulke is one of around 100,000 Lemba people, Black Jews who live in South Africa and Zimbabwe. Lemba people have long held that they are Jews by descent. In the 1990s and early ...

NOVA: How were you chosen to find Sena? Parfitt: I became very friendly with the spiritual head of the Lemba, Professor Mathiva, whom I met right at the beginning of my research. He specifically ...