Sir James Cochran Stevenson Runciman, CH, FBA (7 July 1903 – 1 November 2000), known as Steven Runciman, was an English historian best known for his three-volume A History of the Crusades (1951–54).
His three-volume history has had a profound impact on common conceptions of the Crusades, primarily portraying the Crusaders negatively and the Muslims favorably. Runciman was a strong admirer of the Byzantine Empire, and consequently held a bias against the Crusaders for the Fourth Crusade evident in his work. While praised by older crusade historians as a storyteller and prose stylist, he is viewed as biased by some contemporary historians.
Born in Northumberland, he was the second son of Walter Runciman, 1st Viscount Runciman of Doxford, and Hilda Runciman, Viscountess Runciman of Doxford. Both of his parents were or became members of parliament for the Liberal Party, and were the first married couple to sit simultaneously in Parliament. His father was created Viscount Runciman of Doxford in 1937. His paternal grandfather, Walter Runciman, 1st Baron Runciman, was a shipping magnate. He was named after his maternal grandfather, James Cochran Stevenson, the MP for South Shields.
It is said that he was reading Latin and Greek by the age of five. In the course of his long life he would master an astonishing number of languages, so that, for example, when writing about the Middle East, he relied not only on accounts in Latin and Greek and the Western vernaculars, but consulted Arabic, Turkish, Persian, Hebrew, Syriac, Armenian and Georgian sources as well. A King's Scholar at Eton College, he was an exact contemporary and close friend of George Orwell. While there, they both studied French under Aldous Huxley.