📖 Overview
The Shakespearean Ciphers Examined explores the centuries-old debate about the true authorship of Shakespeare's works through the lens of cryptography and cipher analysis. William F. Friedman, a pioneering cryptographer, applies scientific methodology to investigate claims that hidden messages exist within Shakespeare's texts.
The book systematically evaluates major authorship theories, particularly those suggesting Francis Bacon wrote Shakespeare's plays and embedded secret codes to prove it. Friedman examines alleged ciphers, analyzing their statistical probability and historical context while documenting the methods used by various theorists to "discover" hidden messages.
Friedman demonstrates the application of cryptographic principles to literary analysis, establishing a framework for evaluating coded message claims in historical texts. His investigation draws on his experience breaking military codes and developing cryptographic systems for the U.S. government.
The work stands as both a technical examination of literary cryptography and a broader commentary on the intersection of scientific method with humanities research. It raises questions about the nature of evidence and proof in historical and literary studies.
👀 Reviews
Readers describe this book as a detailed mathematical analysis that debunks claims about hidden ciphers in Shakespeare's works. Reviewers note it definitively addresses the Baconian theory and other authorship conspiracies.
Readers appreciated:
- Clear explanations of cryptographic methods
- Thorough examination of historical context
- Systematic dismantling of cipher claims
- Inclusion of original source materials
Common criticisms:
- Dense technical sections require cryptography knowledge
- Repetitive examples and explanations
- Limited focus on literary/historical aspects
Ratings:
Goodreads: 4.0/5 (12 ratings)
Amazon: No reviews available
Notable reader comments:
"Meticulous and mathematically sound analysis that puts these theories to rest" - Goodreads review
"A bit dry but conclusive proof against the Baconian claims" - Goodreads review
"The technical portions were over my head but the conclusions are clear" - Internet Archive review
The small number of public reviews reflects the book's specialized academic audience.
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The Story of Writing by Andrew Robinson The evolution of written communication explores the intersection of codes, hidden meanings, and the development of literary encoding systems.
Decrypted Secrets: Methods and Maxims of Cryptology by Friedrich L. Bauer The mathematical and linguistic approaches to codebreaking demonstrate techniques similar to those used in analyzing Shakespeare's texts for hidden messages.
The Code Breakers by David Kahn This comprehensive history of cryptography includes sections on literary codes and the methods used to search for encrypted messages in classical texts.
🤔 Interesting facts
🎭 William F. Friedman, the book's co-author, was America's foremost cryptographer and helped break Japan's PURPLE cipher during World War II
📚 The book systematically debunks claims that Francis Bacon wrote Shakespeare's works, examining alleged hidden messages using scientific cryptographic analysis
🔎 Friedman wrote this book with his wife Elizebeth, who was also a pioneering cryptanalyst and helped take down international spy rings during WWII
📜 The authors analyzed over 400 different claimed ciphers from Shakespeare's works using both manual methods and early computers
⚔️ The book ended a centuries-old debate when it conclusively proved that the "Baconian theory" of Shakespeare authorship relied on non-existent or mathematically impossible codes