Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. On ...

Richard Garwin, who has died aged 97, was an American nuclear scientist who designed the world’s first hydrogen bomb and went on to become a presidential adviser on arms control, while helping to lay ...