Rejewski's letters reveal behind-the-scenes story of cracking the Enigma

Preserved correspondence between cryptologist Marian Rejewski and engineer Leonard Danilewicz, co-owner of the AVA Radio Engineering Works, sheds new light on how the German Enigma cipher machine was broken. The letters describe the interception of the original device, a key step in cracking it. The documents offer a valuable new chapter in the story of one of Polish intelligence's greatest achievements.

Similar stories

🌍 World European wildfires expose and detonate buried WWII explosives CBS News World · 7h ago 🔬 Science Did World War II begin in 1931, not 1939? Historians debate the start date National Geographic PL · 8h ago 🌍 World US Navy in talks to rename aircraft carrier after Trump, removing Black WWII hero's name Wirtualna Polska · 1d ago