Yitzhak Isaac Halevy Rabinowitz, rabbi, Jewish historian, and founder of the Agudath Israel organization
Isaac Newton | Isaac Asimov | Isaac Stern | Isaac Hayes | Isaac | Isaac Bashevis Singer | Isaac Leeser | Heinrich Isaac | Fromental Halévy | Isaac Singer | Oscar Isaac | Isaac Watts | Isaac Julien | Rabbi Isaac Elchanan Theological Seminary | Isaac Rosenberg | Isaac Levitan | Captain Isaac Biddlecomb | Binding of Isaac | Isaac Stevens | Isaac Reed | Isaac of Armenia | Isaac Newton Group of Telescopes | Isaac Herzog | Isaac Deutscher | Isaac Casaubon | Isaac Brock | Isaac Barrow | Isaac Albéniz | Saint Isaac's Cathedral | John Isaac Thornycroft |
H. Grätz, Harkavy, and D. Kaufmann claim that he, with the other three scholars, came from Babylonia, while S.J. Rapoport, I.H. Weiss, and Isaac Halévy give Italy as his birthplace.