"The prophet died in the year 632 of our own approximate calendar. The first account of his life was set down a full hundred and twenty years later by Ibn Ishaq, whose original was lost and can only be consulted through its reworked form, authored by Ibn Hisham, who died in 834. Adding to this hearsay and obscurity, there is no agreed-upon account of how the Prophet's followers assembled the Koran, or of how his various sayings (some of them written down by secretaries) became codified. … It is said by some Muslim authorities that during the first caliphate of Abu Bakr, immediately after Muhammad's death, concern arose that his orally transmitted words might be forgotten. So many Muslim soldiers had been killed in battle that the number who had the Koran safely lodged in their memories had become alarmingly small. It was therefore decided to assemble every living witness, together with "pieces of paper, stones, palm leaves, shoulder-blades, ribs and bits of leather" on which sayings had been scribbled, and give them to Zaid ibn Thabit, one of the Prophet's former secretaries, for an authoritative collation. Once this had been done, the believers had something like an authorized version. If true, this would date the Koran to a time fairly close to Muhammad's own life. But we swiftly discover that there is no certainty or agreement about the truth of the story. Some say that it was Ali—the fourth and not the first caliph, and the founder of Shiism—who had the idea. Many others—the Sunni majority—assert that it was Caliph Uthman, who reigned from 644 to 656, who made the finalized decision. Told by one of his generals that soldiers from different provinces were fighting over discrepant accounts of the Koran, Uthman ordered Zaid ibn Thabit to bring together the various texts, unify them, and have them transcribed into one. When this task was complete, Uthman ordered standard copies to be sent to Kufa, Basra, Damascus, and elsewhere, with a master copy retained in Medina. Uthman thus played the canonical role that had been taken, in the standardization and purging and censorship of the Christian Bible, by Irenaeus and by Bishop Athanasius of Alexandria. The roll was called, and some texts were declared sacred and inerrant while others became "apocryphal." Outdoing Athanasius, Uthman ordered that all earlier and rival editions be destroyed. Even supposing this version of events to be correct, which would mean that no chance existed for scholars ever to determine or even dispute what really happened in Muhammad's time, Uthman's attempt to abolish disagreement was a vain one. The written Arabic language has two features that make it difficult for an outsider to learn: it uses dots to distinguish consonants like "b" and "t," and in its original form it had no sign or symbol for short vowels, which could be rendered by various dashes or comma-type marks. Vastly different readings even of Uthman's version were enabled by these variations. … To take one instance that can hardly be called negligible, the Arabic words written on the outside of the Dome of the Rock in Jerusalem are different from any version that appears in the Koran."