A manuscript · a journey · a public dispute

The
Sinaiticus
Mystery

One famous Bible manuscript. Three trips to Sinai. A loan to Russia. Then Constantine Simonides claimed that he had helped make it.

What do the records prove—and what is still a claim?

Begin the journey

Before we begin

Two stories must not be mixed together.

01

The documented journey

Letters, receipts, editions and later donation papers show where the surviving leaves went.

02

The disputed origin

Simonides said he wrote the book in the 1800s. Most manuscript scholars reject that claim. Daniels and Pinto argue it deserves a new hearing.

Our rule: a record of what someone said proves the statement was made. It does not prove the statement was true.

Chapter one · 1843–1869

Follow the pages

Three lines show three separate Sinai visits. They join named places in the recorded order; they do not claim that every ship, road or stop is known.

Tischendorf’s three expeditions connected to Codex SinaiticusThe 1844 journey links Leipzig, Rome, Mount Sinai and Leipzig. The 1853 journey links Leipzig and Mount Sinai. The 1859 journey links Leipzig, Mount Sinai, Cairo and Saint Petersburg.LEIPZIGROMECAIROMOUNT SINAIST. PETERSBURG
1844 visit · Europe and Rome → Sinai → Leipzig1853 visit · Leipzig → Sinai → Leipzig1859 visit · Leipzig → Sinai → Cairo → St. Petersburg
  1. 01

    Leipzig → Rome

    Learning to read very old books

    Constantin Tischendorf left his university work in Leipzig to study handwritten Bibles across Europe. In Rome he was allowed limited time with Codex Vaticanus. Rome was part of his research journey, not a stop made with Codex Sinaiticus.

    Backed by records
  2. 02

    Egypt → Mount Sinai

    The first Sinai visit

    At St. Catherine’s Monastery, monks showed Tischendorf 129 leaves from an old Greek Bible. He left with 43 leaves. In 1846 he published them in Leipzig as Codex Friderico-Augustanus.

    From a published account
  3. 03

    Mount Sinai

    A return, but not the main group

    Tischendorf returned to the monastery. He obtained other manuscripts and one small Sinaiticus fragment, which he said had been used as a bookmark.

    From a published account
  4. 04

    Mount Sinai → Cairo

    The larger part comes to Cairo

    On his third visit, Tischendorf saw 347 leaves. They were moved to the monastery’s house in Cairo so he could study them. In September he signed a receipt describing the manuscript as a loan.

    Backed by records
  5. 05

    Cairo → St. Petersburg

    A loan travels to Russia

    The 347 leaves went to St. Petersburg for checking and publication. Tischendorf promised they would be returned if the monastery asked, while Russian letters also discussed a hoped-for gift to the Tsar.

    Backed by records
  6. 06

    St. Petersburg

    The grand edition appears

    Tischendorf’s facsimile edition was presented to Tsar Alexander II. The manuscript then stayed with the Russian Ministry of Foreign Affairs.

    Backed by records
  7. 07

    Cairo · Sinai · St. Petersburg

    Donation papers are signed

    Ten years after the loan receipt, church leaders in Cairo and at Sinai signed acts donating the manuscript to the Tsar. The long delay and the politics around the decision are still discussed.

    Backed by records
Official projectCodex Sinaiticus Project · modern history

International project, 2005–2011

What it can show: The main chronology, present holdings, the 1859 receipt, the 1862 edition and the 1869 donation records.

Its limit: The project says the modern history is complex and that some intentions in 1859 remain disputed.

Open the source
Original sourceTischendorf · When Were Our Gospels Written?

English edition, 1866

What it can show: What Tischendorf publicly said about his visits and discovery.

Its limit: It is Tischendorf’s own later story and must be checked against receipts, letters and other witnesses.

Open the source
Official projectNational Library of Russia · acquisition documents

Records from 1859–1869

What it can show: Russian letters and the provisional agreement linking a loan, a hoped-for donation and church politics.

Its limit: The site presents the Russian archive’s reading of the agreement; the international project notes conflicting perspectives.

Open the source

Chapter two · look carefully

43 leaves—and the other leaves

The 43 leaves taken in 1844 are in Leipzig. The main group of 347 leaves is in London. Online, the groups can look different in colour.

LEIPZIG43

leaves

LONDON347

leaves

Colour-calibration warning

A screen is not the parchment.

The project used shared standards, colour profiling and controlled lighting at four locations. It also chose a light-brown background as a compromise between readable ink and faithful parchment colour.

Camera settings, lighting, background, colour profile, web processing and your screen can all change what you see. A visible colour difference is worth investigating, but the online comparison alone cannot prove that someone darkened the manuscript.

Official projectCodex Sinaiticus Project · digital photography

Project technical record

What it can show: Four venues used common standards, colour profiling and fixed lighting; a light-brown background was chosen as a compromise.

Its limit: A carefully made digital image is still not the physical parchment, and a viewer’s screen adds another variable.

Open the source

Chapter three · 1862–1863

Then Simonides spoke.

In a letter printed by The Guardian in September 1862, Constantine Simonides claimed he had written the codex more than twenty years earlier.

SIMONIDES SAID

Mount Athos, 1839–40

Simonides said his uncle Benedict directed a new Bible manuscript at the monastery of St. Panteleemon on Mount Athos. He said it was meant as a gift for Tsar Nicholas I.

This is the place named in the historical claim: Mount Athos, not Mount Patmos.

THE PUBLIC DEBATE

Letters met letters

Samuel Tregelles dismissed the story. Simonides answered. Other writers challenged names, dates and handwriting. Henry Bradshaw said he had examined the codex and that Simonides’ description did not fit it.

The exchange continued into 1863. It was a real public debate, but a newspaper debate is not the same as a laboratory test.

The modern case for another look

Daniels and Pinto—in detail

These are their arguments, not settled facts. Each point is paired with a limit and a way it could be tested.

Daniels: colour, condition and physical testing

What he argues: Daniels and collaborators point to the lighter-looking 43 Leipzig leaves, the darker and more varied London leaves, the codex’s good condition, differences in ink images and the lack of published chemical age testing. They ask whether most leaves were made to look older after 1844.

What challenges it: The digitisation team used controlled lighting, colour profiles and a chosen background at four sites. A web image can shift colour. Palaeography, scribal work and the history of corrections also have to be explained.

What would test it: Calibrated physical measurements, non-destructive material analysis, open data and independent review would be stronger than screen comparisons.

Pinto: early stories, Hermas and Barnabas

What he argues: Pinto points to Tischendorf’s January 1859 letter saying he had heard stories told by Simonides before the larger group was shown to him. Pinto also connects Simonides’ real work with the Shepherd of Hermas and a disputed 1843 edition of the Epistle of Barnabas to unusual texts later found in Sinaiticus.

What challenges it: Critics dispute the dates and trustworthiness of some Simonides papers and editions. They also point to his record of disputed manuscripts and to the codex’s broader handwriting, correction and textual evidence.

What would test it: Locate and verify the early letters and editions, trace their custody, compare their readings openly and test the manuscript materials without damage.

Daniels and Pinto make a detailed case for Simonides. Here it remains a source-linked case to examine, not a verdict the reader must accept.

Original sourceSimonides letter reprinted in The Journal of Sacred Literature

September/October 1862

What it can show: Simonides said he wrote the codex at St. Panteleemon on Mount Athos in 1839–40 and explained how he believed it reached Sinai.

Its limit: The letter proves that he made the claim. It does not prove that the claim was true.

Open the source
Modern argumentDavid W. Daniels and collaborators · Sinaiticus.org

Modern research site

What it can show: The modern case that colour, ink, condition and the Simonides record deserve renewed scrutiny.

Its limit: The site argues for a conclusion. Its image comparisons must be weighed with the digitisation and colour-calibration cautions.

Open the source
Modern argumentChris Pinto · Update on the Codex Sinaiticus Debate

2019 paper

What it can show: Pinto’s detailed reply to objections, including his reading of Simonides and the Shepherd of Hermas dispute.

Its limit: It is advocacy for the modern Simonides case; each historical step still needs its underlying source.

Open the source
Modern challengeKevin McGrane · review of The Forging of Codex Sinaiticus

2018 review

What it can show: A detailed challenge to the modern forgery case, including an argument that the Leipzig web images appear washed out.

Its limit: It is also a polemical review; its measurements and conclusions should be checked rather than merely accepted.

Open the source

Chapter four · why Hermas matters

The Shepherd of Hermas problem

Codex Sinaiticus ends with early Christian writings outside the New Testament, including part of The Shepherd of Hermas.

1855–56

Simonides supplied a Greek Hermas text

He brought three real leaves from Mount Athos and a copy of other leaves. The Greek text was published in Leipzig.

Later checks

The copied part caused trouble

Scholars found serious problems. More original leaves were later found at Mount Athos and used to check what Simonides had copied.

Why both sides care

Skill and warning at once

The episode shows that Simonides could handle rare Greek manuscripts. It also gives a reason not to accept every statement or copy from him without testing it.

The Hermas connection is important context. By itself, it does not prove Simonides made Codex Sinaiticus, and it does not make every question about him disappear.

Research guideF. H. A. Scrivener · A Plain Introduction

Fourth edition, 1894

What it can show: A near-period scholarly summary of the Simonides affair and the Shepherd of Hermas connection.

Its limit: Scrivener rejects Simonides’ authorship; this is a reasoned judgment, not a modern scientific test.

Open the source
Modern argumentChris Pinto · Update on the Codex Sinaiticus Debate

2019 paper

What it can show: Pinto’s detailed reply to objections, including his reading of Simonides and the Shepherd of Hermas dispute.

Its limit: It is advocacy for the modern Simonides case; each historical step still needs its underlying source.

Open the source

Final chapter · weigh the record

The evidence room

Start with what is documented. Then compare the claim, the support, the challenges and what remains open.

Showing every evidence card.

A careful conclusion

There is a real mystery—but not every answer is equal.

The travels, the loan and the late donation papers are documented. Simonides really made his claim. Daniels and Pinto raise detailed questions. The standard fourth-century dating also rests on a much wider manuscript case than leaf colour alone.

A fair investigation should neither laugh away the claim nor turn a suspicious detail into proof. It should name the source, show its limit and ask what evidence could decide the point.

Open the records

Sources used on this journey

Official projectCodex Sinaiticus Project · modern history

International project, 2005–2011

What it can show: The main chronology, present holdings, the 1859 receipt, the 1862 edition and the 1869 donation records.

Its limit: The project says the modern history is complex and that some intentions in 1859 remain disputed.

Open the source
Official projectCodex Sinaiticus Project · holdings overview

International project

What it can show: Where the surviving leaves and fragments are held and the project’s aim to publish an objective record.

Its limit: It is a summary, not every underlying document.

Open the source
Official projectCodex Sinaiticus Project · digital photography

Project technical record

What it can show: Four venues used common standards, colour profiling and fixed lighting; a light-brown background was chosen as a compromise.

Its limit: A carefully made digital image is still not the physical parchment, and a viewer’s screen adds another variable.

Open the source
Original sourceTischendorf · When Were Our Gospels Written?

English edition, 1866

What it can show: What Tischendorf publicly said about his visits and discovery.

Its limit: It is Tischendorf’s own later story and must be checked against receipts, letters and other witnesses.

Open the source
Official projectNational Library of Russia · acquisition documents

Records from 1859–1869

What it can show: Russian letters and the provisional agreement linking a loan, a hoped-for donation and church politics.

Its limit: The site presents the Russian archive’s reading of the agreement; the international project notes conflicting perspectives.

Open the source
Original sourceSimonides letter reprinted in The Journal of Sacred Literature

September/October 1862

What it can show: Simonides said he wrote the codex at St. Panteleemon on Mount Athos in 1839–40 and explained how he believed it reached Sinai.

Its limit: The letter proves that he made the claim. It does not prove that the claim was true.

Open the source
Research guideF. H. A. Scrivener · A Plain Introduction

Fourth edition, 1894

What it can show: A near-period scholarly summary of the Simonides affair and the Shepherd of Hermas connection.

Its limit: Scrivener rejects Simonides’ authorship; this is a reasoned judgment, not a modern scientific test.

Open the source
Modern argumentDavid W. Daniels and collaborators · Sinaiticus.org

Modern research site

What it can show: The modern case that colour, ink, condition and the Simonides record deserve renewed scrutiny.

Its limit: The site argues for a conclusion. Its image comparisons must be weighed with the digitisation and colour-calibration cautions.

Open the source
Modern argumentChris Pinto · Update on the Codex Sinaiticus Debate

2019 paper

What it can show: Pinto’s detailed reply to objections, including his reading of Simonides and the Shepherd of Hermas dispute.

Its limit: It is advocacy for the modern Simonides case; each historical step still needs its underlying source.

Open the source
Modern challengeKevin McGrane · review of The Forging of Codex Sinaiticus

2018 review

What it can show: A detailed challenge to the modern forgery case, including an argument that the Leipzig web images appear washed out.

Its limit: It is also a polemical review; its measurements and conclusions should be checked rather than merely accepted.

Open the source