Great Isaiah Scroll (1QIsaᵃ)

The most iconic of all Dead Sea Scrolls and the oldest complete biblical book ever discovered, demonstrating the remarkable accuracy of the biblical text's transmission over more than a millennium.

The Great Isaiah Scroll, designated 1QIsaᵃ in scholarly notation, is the best preserved and most celebrated of all the Dead Sea Scrolls. It is the only scroll from the Qumran caves that preserves a complete book of the Hebrew Bible from beginning to end. Measuring approximately 7.34 meters (24 feet) in length and about 26 centimeters (10 inches) in height, it consists of 17 sheets of parchment sewn together with linen thread, containing 54 columns of carefully written Hebrew text encompassing all 66 chapters of the book of Isaiah.

The scroll was among the first seven manuscripts retrieved from Cave 1 near Qumran in 1947 by Bedouin shepherds. It was acquired by the Metropolitan of the Syrian Orthodox Monastery of St. Mark in Jerusalem, Mar Athanasius Yeshue Samuel, who purchased it along with three other scrolls for a modest sum. Samuel brought the scrolls to the American School of Oriental Research, where John C. Trever recognized their extreme antiquity and photographed them. Trever's photographs, sent to William Foxwell Albright at Johns Hopkins University, prompted Albright's famous declaration that this was "the greatest manuscript discovery of modern times."

In 1954, after failing to find a buyer at a satisfactory price, Samuel placed an advertisement in the Wall Street Journal offering the scrolls for sale. Yigael Yadin, the Israeli archaeologist and son of E. L. Sukenik, secretly arranged the purchase through an intermediary for $250,000. The scroll was brought to Israel, where it eventually became the centerpiece of the Shrine of the Book at the Israel Museum, built in 1965 specifically to house the Dead Sea Scrolls. The building's distinctive white dome is shaped like the lid of the jars in which the scrolls were found.

Paleographic analysis by Frank Moore Cross and other epigraphers dates the scroll's handwriting to approximately 125 BCE, during the late Hasmonean period. Radiocarbon dating performed in 1991 at the ETH Zurich laboratory produced a calibrated date range of 335–107 BCE (2-sigma), consistent with the paleographic estimate. The parchment is made from carefully prepared animal skin, likely sheep or goat, that has been scraped, stretched, and ruled with dry-point guidelines to keep the writing straight.

The text was written by a single primary scribe using a reed pen and carbon-based ink. The scribe's handwriting has been classified as a formal late Hasmonean bookhand. A second hand, possibly a contemporary or slightly later corrector, made additions and corrections throughout the scroll, inserting missing words and letters above the line or in the margins. These corrections suggest the scroll was checked against another copy and actively maintained as a working text.

Comparing the Great Isaiah Scroll with the Masoretic Text of Isaiah, which underlies all modern Bible translations, reveals a remarkable degree of agreement. The consonantal text of the two versions matches approximately 95% letter for letter. Most of the differences are orthographic — that is, variations in spelling conventions rather than meaningful textual variants. The Qumran scroll uses a "full" or plene spelling system with additional vowel letters (matres lectionis) far more frequently than the Masoretic Text, which reflects a "defective" or shorter spelling system.

Where substantive variants do occur, they are mostly minor: a word in the singular versus the plural, a different preposition, an added conjunction. In a small number of passages, the scroll preserves readings that differ more significantly and that some scholars argue may be superior to the Masoretic Text. For example, in Isaiah 53:11, the Great Isaiah Scroll reads "he shall see light" (yir'eh 'or) after the servant's suffering, while the Masoretic Text simply reads "he shall see" (yir'eh), lacking the word "light." The Septuagint agrees with the scroll in including "light," suggesting this may be the original reading that was accidentally lost in the Masoretic tradition.

The passage in Isaiah 7:14 — "Therefore the Lord himself shall give you a sign; Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel" — is rendered in the scroll using the same Hebrew word ʿalmah as in the Masoretic Text. This confirms that the Greek Septuagint's choice of parthenos ("virgin") for this word was a translation decision, not a reflection of a different Hebrew source text.

Isaiah 40:3, "The voice of him that crieth in the wilderness, Prepare ye the way of the LORD," held special significance for the Qumran community, which interpreted it as a prophetic mandate for their desert withdrawal. The Community Rule (1QS VIII.14) explicitly cites this verse as the scriptural basis for the community's move to the wilderness. All four Gospels quote this same verse in connection with John the Baptist's ministry (Matthew 3:3; Mark 1:3; Luke 3:4; John 1:23).

The suffering servant passages of Isaiah 52:13–53:12 are among the most theologically significant texts in the scroll. Early Christians understood these passages as prophecies of Jesus' atoning death, and the Great Isaiah Scroll preserves them in a form substantially identical to the Masoretic Text, confirming that the Christian reading of these passages was based on a Hebrew text that existed well before the time of Jesus.

The physical condition of the scroll is remarkably good, though some areas show damage. The bottom edge of the scroll suffered water damage in antiquity, and several columns have darkened areas where the parchment is stained. Modern conservation has stabilized the scroll, and it is displayed under carefully controlled conditions of temperature, humidity, and light in the Shrine of the Book. It is periodically rotated to reduce light exposure.

In 2011, the Israel Museum partnered with Google to create a high-resolution digital image of the complete scroll, freely available online. This digital version allows users to zoom in to individual letters and explore the text at extraordinary magnification. The project has made the Great Isaiah Scroll one of the most accessible ancient manuscripts in the world and has enabled scholars who cannot travel to Jerusalem to study the text in detail.

• Oldest complete copy of any book of the Hebrew Bible, containing all 66 chapters of Isaiah
• Dated to approximately 125 BCE by paleographic and radiocarbon analysis
• The consonantal text agrees approximately 95% with the Masoretic Text, demonstrating careful transmission
• Isaiah 53:11 preserves the word 'light' (absent in the Masoretic Text), confirmed by the Septuagint
• Orthographic system uses fuller (plene) spelling with more vowel letters than the Masoretic tradition
• Written by a single scribe with corrections by a second hand, indicating textual checking
• 7.34 meters long on 17 parchment sheets with 54 columns of Hebrew text
• Purchased for $250,000 in 1954 after being advertised in the Wall Street Journal

The Great Isaiah Scroll is the most important manuscript witness to one of the most theologically significant books in the Bible. Isaiah contains the foundational prophecies of the Messiah that shaped Christian theology: the virgin birth (Isaiah 7:14), the child called "Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace" (Isaiah 9:6), and the suffering servant who "was wounded for our transgressions" and "bruised for our iniquities" (Isaiah 53:5). The scroll confirms that these passages existed in the Hebrew text at least a century before the birth of Jesus. Isaiah 61:1 — "The Spirit of the Lord GOD is upon me; because the LORD hath anointed me to preach good tidings unto the meek" — is the passage Jesus read aloud in the synagogue at Nazareth and declared fulfilled in the hearing of his audience (Luke 4:18–21). The Great Isaiah Scroll preserves this passage, providing the oldest known Hebrew witness to the text Jesus would have read. For both Jewish and Christian readers, the scroll's antiquity and its close agreement with the traditional text affirm that the book of Isaiah has been transmitted with remarkable fidelity across the centuries.