Ernest Gordon Rupp was a Methodist preacher, historian and Luther scholar. He studied history at King's College London, theology at Cambridge's Wesley House, and in Strasbourg and Basel. In 1956, he was appointed professor of Church History at the University of Manchester. He lectured there until 1967, when he returned to Wesley House in Cambridge as its Principal. At the same time (1968–1977) he served as Dixie Professor of Ecclesiastical History at the University of Cambridge. 1969, he served as the president of the British Methodist church.