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A black and white photo of Stanislaw Ulam. He is seated, visible from the chest up, wearing a light gray suit and holding a cigarette to this lips with two finger on his right hand. Ulam is looking directly at the photographer. The left half of his face is partly in shadow, he has dark eyes, and there is a slight wave to his short hair. The photo is tilted a bit, off-kilter.

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A black and white photo of Stanislaw Ulam. He is seated, visible from the chest up, wearing a light gray suit and holding a cigarette to this lips with two finger on his right hand. Ulam is looking directly at the photographer. The left half of his face is partly in shadow, he has dark eyes, and there is a slight wave to his short hair. The photo is tilted a bit, off-kilter.
https://files.mastodon.social/media_attachments/files/110/192/056/782/069/104/original/90ca7bc6cb278a43.jpeg

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Robert McNees (mcnees@mastodon.social)'s status on Thursday, 13-Apr-2023 14:49:16 UTC Robert McNees

Mathematician Stanislaw Ulam was born #OTD in 1909. He co-discovered cellular automata with von Neumann, proposed the nuclear pulse propulsion behind Project Orion, and, regrettably, pitched the idea that led Teller to the hydrogen bomb.
Image: Amer. Phil. Soc.

In conversation Thursday, 13-Apr-2023 14:49:16 UTC from mastodon.social permalink