March 7

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  1765: Inventor Nicéphore Niépce born. He will invent heliography, a technique he will use to create the world's oldest surviving product of a photographic process.

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  1788: Physicist and academic Antoine César Becquerel born. He will pioneer the study of electric and luminescent phenomena.

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  1886: Mathematician and physicist G. I. Taylor born. He will make major contributions to fluid dynamics and wave theory.

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  1917: Pioneering computer scientist and programmer Betty Holberton born. She will be one of the six original programmers of ENIAC, the first general-purpose electronic digital computer, and the inventor of breakpoints in computer debugging.

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  1950: Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.

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  2019: Steganographic analysis of Confessions of a Quantum Artist-Engineer (1) unexpectedly reveals "at least two-hundred and fifty-six kilobytes" of previously unknown Gnomon algorithm functions.