Franz-Valéry-Marie Cumont (Aalst, Belgium, 3 January 1868 – Brussels, 25 August 1947) was a Belgian archaeologist and historian, a philologist and student of epigraphy, who brought these often isolated specialties to bear on the syncretic mystery religions of Late Antiquity, notably Mithraism. Cumont was a graduate of the University of Ghent (PhD, 1887). After receiving royal travelling fellowships, he undertook archaeology in Pontus and Armenia (published in 1906) and in Syria, but he is best known for his studies on the impact of Eastern mystery religions, particularly Mithraism, on the Roman Empire.
Cumonts international credentials were brilliant, but his public circumspection was not enough. In 1910, Baron Edouard Descamps, the Catholic Minister of Sciences and Arts at the University of Ghent, refused to approve the facultys unanimous recommendation of Cumont for the chair in Roman History, Cumont having been a professor there since 1906.
There was a vigorous press campaign and student agitation in Cumonts favor, because the refusal was seen as blatant religious interference in the Universitys life. When another candidate was named, in 1912, Cumont resigned his positions at the University and at the Royal Museum in Brussels, left Belgium and henceforth divided his time between Paris and Rome.He contributed to many standard encyclopedias, published voluminously and in 1922, under stressful political conditions, conducted digs on the shore of the Euphrates at the previously unknown site of Dura-Europos- he published his research there in 1926.
He was a member of most of the European academies. In 1936 Franz Cumont was awarded the Francqui Prize on Human Sciences. In 1947, Franz Cumont donated his library and papers to the Academia Belgica in Rome, where they are accessible to researchers.