Codebreakers chapter 13: Secrecy for Sale

This chapter is about a handful of people who made a business out of cryptography in the mid 1900s. Three … More

Codebreakers chapter 12: Two Americans

The two Americans in question are Herbert Osborne Yardley and Wolfe/William Friedman. It is thanks to these two chaps that … More

I’ll be skipping over the WWI history in these two chapters to highlight what I think are the note worthy … More