Other traditions have the convert as a Jew who was a steward in the Queen's court.[clarification needed] All accounts do agree on the fact that the traveler was a member of the royal court who successfully succeeded in converting the Queen, which in turn caused a church to be built. Tyrannius Rufinus, a noted church historian, also recorded a personal account as do other church historians such as Socrates and Sozemius.[17] Some experts predict the shift of Christianity's center from the European industrialized nations to Africa and Asia in modern times.