File:1954 Walter Pitts and a blackboard.jpg
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Summary
| Description |
English: Logician Walter Pitts in 1954 at a time when he was a research associate and enlisted as graduate student at M.I.T. in Boston. |
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| Source | {https://alchetron.com/cdn/walter-pitts-a3368cbd-5518-4d92-96c5-9917df86076-resize-750.jpeg] |
| Author | Unknown photographer |
Licensing
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This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:39, 13 February 2022 | | 733 × 1,078 (126 KB) | Ketil3 | Uploaded a work by {{Unknown photographer}} from {https://alchetron.com/cdn/walter-pitts-a3368cbd-5518-4d92-96c5-9917df86076-resize-750.jpeg] with UploadWizard |
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