E31 - Prester John: a Medieval Conspiracy Theory

In the mid-12th century, a mysterious letter was circulating the courts of Christian Europe. Its supposed author was Prester John, a powerful, immortal Christian king who purported to rule a fantastical empire in India.

Prester John was never real. But who wrote the letter and why? And why did Europeans spend centuries searching for him despite abundant evidence that the whole story was nonsense?

To answer these questions, Olivia and Aran will set out on a globe-trotting adventure, from the yurt-strewn steppe of Central Asia, to Italy’s city-republics, the highlands of East Africa, an...