Template:Selected anniversaries/July 26

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  • 1502: Christian Egenolff born. He will be the first important printer and publisher operating from Frankfurt-am-Main.

    1502: Christian Egenolff born. He will be the first important printer and publisher operating from Frankfurt-am-Main.

  • 1923: Aircraft designer Igor Sikorsky demonstrates experimental helicopter which is capable of performing simple time travel maneuvers, significantly reducing fuel costs for helicopter flight.

    1923: Aircraft designer Igor Sikorsky demonstrates experimental helicopter which is capable of performing simple time travel maneuvers, significantly reducing fuel costs for helicopter flight.

  • 1941: Mathematician and academic Henri Lebesgue dies. He developed a theory of integration which generalizes the 17th century concept of integration (summing the area between an axis and the curve of a function defined for that axis).

    1941: Mathematician and academic Henri Lebesgue dies. He developed a theory of integration which generalizes the 17th century concept of integration (summing the area between an axis and the curve of a function defined for that axis).

  • 2000: Mathematician and academic John Tukey (nonfiction) dies. He made important contributions to statistical analysis, including the box plot.

    2000: Mathematician and academic John Tukey (nonfiction) dies. He made important contributions to statistical analysis, including the box plot.

  • 2001: Signed first edition of Skip Digits, Conductor sells for five million dollars; US Treasury investigators say money trail leads to Baron Zersetzung.

    2001: Signed first edition of Skip Digits, Conductor sells for five million dollars; US Treasury investigators say money trail leads to Baron Zersetzung.

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