Teacher and Author
William and Elizebeth Friedman were husband and wife codebreakers. The Man Who Broke Purple and the Woman Who Smashed Codes: they were, and still are, cryptography’s power couple. Some may argue that William was the more “powerful” of the two. … Continued
I took an uncharacteristically critical stance on Jason Fagone’s biography of Elizebeth Friedman. Until that post, I had avoided making critical comments of any of the works I chose to “review.” Perhaps I thought the author of a bestseller could … Continued
Chronology is history’s gravity. That’s what Jill Lepore said on her podcast. I took note. I sensed the truth of her words, yet I wondered, How are they true? Chronology is the force that holds narrative together? The force that draws … Continued
Elizebeth Smith, like so many bright, talented women of her era, understood the limitations before her. Her Quaker upbringing nurtured natural intellectual curiosity and independence of mind. But the unyielding horizon around her family’s Indiana farm threatened to swallow her. … Continued
David Kahn called it the Yardley Symptom, the compulsion of the cryptologist to chip away at the puzzle throughout his waking moments. He turns the letters over in his mind even as he fries his morning egg, scrubs his evening … Continued