HIPPOCRATES (460-351 B.C.).
HUGUTION PIZANUS (d. 1210). A jurisconsult and writer on Grammar.
HYGINUS, PSEUDO- (6th cent.). Writer on Astronomy.
INNOCENT III. (d. 1216). Wrote "De Contemptu Mundi," etc.
ISAAC (circ. 660). An Arab physician, who translated many Greek authors into Arabic.
ISIDORE (d. 636). Bishop of Seville. He wrote a work on Etymology in 20 books, one of the most popular works of the Middle Age.
JACOBUS DE VITRIACO (d. 1240). A Crusading Bishop, afterwards Cardinal legate. Wrote an EXEMPLAR, and 3 books of Eastern and Western History.
JEROME (340-420).
JOSEPH BEN GORION (900). Abridgment of Jewish History containing many legends.
JOSEPHUS (37-95). Jewish historian.