Some published obituaries/memorials: https://cacm.acm.org/news/in-memoriam-peter-g-neumann-1932-2026/ https://www.nytimes.com/2026/05/17/technology/peter-g-neumann-dead.html https://www.sri.com/press/story/peter-neumann-saw-the-internets-dangers-before-the-internet-existed/