Recommended reading: “The Code-Breakers: the comprehensive history of secret communication from ancient times to the internet”

The late 60s and early 70s were a very turbulent time in American politics and culture. I was 12 years old in 1970 and my impressions of that time are indelible: the war in Vietnam, Armstrong walking on the moon, Watergate, and various riots in American cities. These affairs were all extremely tangible and you Read More…