They Cracked This 250-Year-Old Code, and Found a Secret Society Inside

For nearly 250 years, this book concealed the arcane rituals of an ancient order. But cracking the code only deepened the mystery.

The Secret Club That Runs the World: Inside the Fraternity of, secret club

Fall 2006 Chris Christensen MAT/CSC 483, PDF, Cryptanalysis

When carrying out the EM algorithm, how do I ensure that the covariance matrix is positive definite at all times, avoiding rounding issues? - Quora

Further Reading: SECRET

Copiale Cipher – The Square Magazine

Podcast Episode 133: Notes and Queries - Futility Closet

They Cracked This 250-Year-Old Code, and Found a Secret Society Inside

Which book or online lecture does contain the best explanation of expectation maximization algorithm? - Quora

They Cracked This 250-Year-Old Code, and Found a Secret Society Inside

They Cracked This 250 Year-Old Code, and Found a Secret Society Inside by Noah Shachtman · Longform

The Mystery of the Copiale Cipher

More on the Copiale cipher and the revealed rites of a secret society of Oculists - The Hermetic Library Blog

They Cracked This 250-Year-Old Code, and Found a Secret Society Inside

Podcast Episode 133: Notes and Queries - Futility Closet