Template:Selected anniversaries/July 22: Difference between revisions

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||1935: John Robert Stallings Jr. born ... mathematician known for his seminal contributions to geometric group theory and 3-manifold topology. Pic.
||1935: John Robert Stallings Jr. born ... mathematician known for his seminal contributions to geometric group theory and 3-manifold topology. Pic.


||1938: Ernest William Brown dies ... mathematician and astronomer, who spent the majority of his career working in the United States and became a naturalised American citizen in 1923. His life's work was the study of the Moon's motion (lunar theory) and the compilation of extremely accurate lunar tables. He also studied the motion of the planets and calculated the orbits of Trojan asteroids.
||1938: Ernest William Brown dies ... mathematician and astronomer, who spent the majority of his career working in the United States and became a naturalised American citizen in 1923. His life's work was the study of the Moon's motion (lunar theory) and the compilation of extremely accurate lunar tables. He also studied the motion of the planets and calculated the orbits of Trojan asteroids. Pic.


||1942: The United States government begins compulsory civilian gasoline rationing due to the wartime demands.
||1942: The United States government begins compulsory civilian gasoline rationing due to the wartime demands.

Revision as of 04:48, 29 November 2019

  • 1826: Priest, mathematician, and astronomer Giuseppe Piazzi dies. He discovered the dwarf planet Ceres.

    1826: Priest, mathematician, and astronomer Giuseppe Piazzi dies. He discovered the dwarf planet Ceres.

  • 1827: Gem detective and astronomer Niles Cartouchian discovers time crystals on the dwarf planet Ceres.

    1827: Gem detective and astronomer Niles Cartouchian discovers time crystals on the dwarf planet Ceres.

  • 1827: Engineer and inventor Sandford Fleming dies. He proposed worldwide standard time zones.

    1827: Engineer and inventor Sandford Fleming dies. He proposed worldwide standard time zones.

  • 1932: Inventor Reginald Fessenden dies. He performed pioneering experiments in radio, including the use of continuous waves and the early—and possibly the first—radio transmissions of voice and music.

    1932: Inventor Reginald Fessenden dies. He performed pioneering experiments in radio, including the use of continuous waves and the early—and possibly the first—radio transmissions of voice and music.

  • 1962: Engineer, pilot, and alleged time-traveller Henrietta Bolt tries to warn NASA that Mariner 1 has been targeted by math criminals.

    1962: Engineer, pilot, and alleged time-traveller Henrietta Bolt tries to warn NASA that Mariner 1 has been targeted by math criminals.

  • 1962: Mariner program: Mariner 1 spacecraft flies erratically several minutes after launch and has to be destroyed.

    1962: Mariner program: Mariner 1 spacecraft flies erratically several minutes after launch and has to be destroyed.

  • 2016: Signed first edition of Spiral sells for an undisclosed amount to "a prominent mathematician and long-time resident of New Minneapolis, Canada."

    2016: Signed first edition of Spiral sells for an undisclosed amount to "a prominent mathematician and long-time resident of New Minneapolis, Canada."

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