Template:Selected anniversaries/July 26: Difference between revisions

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||1775: The office that would later become the United States Post Office Department is established by the Second Continental Congress.
||1775: The office that would later become the United States Post Office Department is established by the Second Continental Congress.
||1794: Johan Georg Forchhammer born ... geologist and mineralogist. Forchhammer conjectured that the ratio of major salts in samples of seawater from various locations was constant. This constant ratio is known as Forchhammer's Principle, or the Principle of Constant Proportions. Pic.


||1824: Alfred Richard Cecil Selwyn born ... geologist and public servant. Pic.
||1824: Alfred Richard Cecil Selwyn born ... geologist and public servant. Pic.
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||1941: Kazimierz Władysław Bartel dies ... mathematician, scholar, diplomat and politician. Pic.
||1941: Kazimierz Władysław Bartel dies ... mathematician, scholar, diplomat and politician. Pic.


||1942: Alfred Tauber dies ... mathematician, known for his contribution to mathematical analysis and to the theory of functions of a complex variable: he is the eponym of an important class of theorems with applications ranging from mathematical and harmonic analysis to number theory. He was murdered in the Theresienstadt concentration camp.
||1942: Alfred Tauber dies ... mathematician, known for his contribution to mathematical analysis and to the theory of functions of a complex variable: he is the eponym of an important class of theorems with applications ranging from mathematical and harmonic analysis to number theory. He was murdered in the Theresienstadt concentration camp. Pic.


||1942: Georg Alexander Pick dies ... mathematician. He died in the Theresienstadt concentration camp. Today he is best known for Pick's theorem for determining the area of lattice polygons.
||1942: Georg Alexander Pick dies ... mathematician. He died in the Theresienstadt concentration camp. Today he is best known for Pick's theorem for determining the area of lattice polygons. Pic.


||1945: The United States Navy cruiser USS Indianapolis arrives at Tinian with parts of the warhead for the Hiroshima atomic bomb.
||1945: The United States Navy cruiser USS ''Indianapolis'' arrives at Tinian with parts of the warhead for the Hiroshima atomic bomb.


||1947: Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.
||1947: Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.

Revision as of 15:08, 20 May 2019

  • 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.

  • 1525: Philosopher and crime-fighter Cesare Cremonini publishes new class of Gnomon algorithm functions based on rationalism and Aristotelian materialism, which he will soon use to detect and prevent crimes against mathematical constants.

    1525: Philosopher and crime-fighter Cesare Cremonini publishes new class of Gnomon algorithm functions based on rationalism and Aristotelian materialism, which he will soon use to detect and prevent crimes against mathematical constants.

  • 1894: Writer and philosopher Aldous Huxley born. He will be widely acknowledged as one of the pre-eminent intellectuals of his time.

    1894: Writer and philosopher Aldous Huxley born. He will be widely acknowledged as one of the pre-eminent intellectuals of his time.

  • 1918: Emmy Noether introduced what became known as Noether's theorem, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.

    1918: Emmy Noether introduced what became known as Noether's theorem, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.

  • 1923: Aircraft designer Igor Sikorsky demonstrates experimental helicopter which uses time crystals (nonfiction) to reduce fuel cost.

    1923: Aircraft designer Igor Sikorsky demonstrates experimental helicopter which uses time crystals (nonfiction) to reduce fuel cost.

  • 1925: Mathematician, logician, and philosopher Gottlob Frege dies. Though largely ignored during his lifetime, his work influenced later generations of logicians and philosophers.

    1925: Mathematician, logician, and philosopher Gottlob Frege dies. Though largely ignored during his lifetime, his work influenced later generations of logicians and philosophers.

  • 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).

  • 1948: The WAC Corporal becomes the first US rocket which detects and prevents crimes against mathematical constants in the ionosphere.

    1948: The WAC Corporal becomes the first US rocket which detects and prevents crimes against mathematical constants in the ionosphere.

  • 1997: Mathematician and academic Kunihiko Kodaira dies. He did distinguished work in algebraic geometry and the theory of complex manifolds, winning the Fields medal in 1954.

    1997: Mathematician and academic Kunihiko Kodaira dies. He did distinguished work in algebraic geometry and the theory of complex manifolds, winning the Fields medal in 1954.

  • 1999: Mathematician and crime-fighter Alice Beta warns US Treasury that musician and alleged math criminal Skip Digits is planning math crimes against the US dollar.

    1999: Mathematician and crime-fighter Alice Beta warns US Treasury that musician and alleged math criminal Skip Digits is planning math crimes against the US dollar.

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

    2000: Mathematician and academic John Tukey (nonfiction)|John Tukey 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.

  • 2015: Tequila Sunrise voted Picture of the Day by the citizens of New Minneapolis, Canada.

    2015: Tequila Sunrise voted Picture of the Day by the citizens of New Minneapolis, Canada.

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