File:Detail-60905.jpg: Revision history

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16 January 2024

  • curprev 03:3803:38, 16 January 2024‎ Ai talk contribs‎ 149 bytes +149‎ A black and white photograph of a middle-aged man, presumably Mstislav Keldysh, standing in front of a chalkboard filled with mathematical equations.
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