Bridferth
Bridferth an English Benedictine mathematician, who flourished about 980, taught at Ramsey, and wrote Commentaries on the treatises of Bede: — De Institutione Monachorum: — and, according to Mabillon, a Life of St. Dunstan. See Hoefer, Nouv. Biog. Generale, s.v.; Landon, Eccles. Dict. s.v.