also, a book just came out about Elizebeth Friedman and how a lot of her contributions to cryptology and the birth of sigint in general have been erased from hi

also, a book just came out about Elizebeth Friedman and how a lot of her contributions to cryptology and the birth of sigint in general have been erased from histroy: https://www.amazon.com/Woman-Who-Smashed-Codes-Outwitted-ebook/dp/B01M0EOI6I https://www.amazon.com/Woman-Who-Smashed-Codes-Outwitted-ebo... it's supposed to be very good, but I just started it last night so don't have much of an opinion yet.