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 05:48, 29 November 2019