Barbara Frale is a historian on staff at the Vatican Secret Archives. An expert in ancient documents, the Templars, and the Crusades, Frale is the author of several books including The Last Battle of the Templars, The Papacy and the Trial of the Templars, and The Templars. She is also the author of the acclaimed The Templars: The Secret History Revealed. Frale earned her PhD at the University of Venice. She lives in Italy.