Paul Edouard Didier Riant (7 August 1836, Paris – 17 December 1888, Château La Vorpillière in Massongex) was a French historian and scientific editor specializing in the Crusades.[1]
He exercised a great activity of scientific editor of primary sources related to the Crusades and the Latin States of the East. He created and chaired the Société de l'Orient Latin, as well as its official journal, the Revue de l'Orient latin,[2] which continued to publish new issues until 1911. As a historian, he made a significant contribution to the study of the Northern Crusades, particularly those in the Scandinavian region.[3]