English mathematician, logician, cryptanalyst, father of theoretical computer science
The Guardian reports on John Croft’s experiences at Bletchley Park during World War II, including his roles in the Testery and Newmanry, the breaking of Lorenz ciphers, and interactions with MI6 and Philby. It outlines his career from Oxford recruitment to Park Lane postings and his views on key figures.
Senior researchers and executives have warned that frontier artificial intelligence could escape human control and pose existential risks. Anthropic staffers and former employees have raised the possibility of human extinction; Anthropic and OpenAI have proposed independent evaluators and coordination to pause development while regulators and politicians debate responses.
Global AI safety concerns have intensified after researchers warn of existential risks. Industry leaders urge regulation; developers push for coordination to slow progress while safeguarding against misuse.