Template:Selected anniversaries/July 18: Difference between revisions
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||1900: Johan Gustav Christoffer Thorsager Kjeldahl dies ... chemist who developed a method for determining the amount of nitrogen in certain organic compounds using a laboratory technique which was named the Kjeldahl method after him. Pic. | ||1900: Johan Gustav Christoffer Thorsager Kjeldahl dies ... chemist who developed a method for determining the amount of nitrogen in certain organic compounds using a laboratory technique which was named the Kjeldahl method after him. Pic. | ||
||1900: U.S. Army combat historian Samuel Lyman Atwood Marshall born. Known professionally as S. L. A. Marshall, and nicknamed "Slam" (the combination of all four of his initials), he authored some 30 books about warfare, including ''Pork Chop Hill: The American Fighting Man in Action'', which was made into a film of the same name. However, his legacy is mired in scandal, as he lied about his involvement in the primary events he wrote about. Pic. | |||
||1906: Edwin Ford Beckenbach born ... mathematician. Pic. | ||1906: Edwin Ford Beckenbach born ... mathematician. Pic. |
Revision as of 09:34, 24 November 2019
1039: Composer, mathematician, and astronomer Hermann of Reichenau born. He will write a treatise on the science of music, several works on geometry and arithmetic, and astronomical treatises (including instructions for the construction of an astrolabe, then a very novel device in Western Europe).
1853: Physicist and academic Hendrik Lorentz born. He will share the 1902 Nobel Prize in Physics with Pieter Zeeman for the discovery and theoretical explanation of the Zeeman effect.
1872: In a lecture to the Berlin Academy, mathematician Karl Weierstrass gives the classic example of a continuous nowhere differential function.
1960: Electronics researcher Ralph Hartley publishes new class of Gnomon algorithm functions with a wide range of applications in electronic devices used to fight crimes against mathematical constants.
1966: Human spaceflight: Gemini 10 is launched from Cape Kennedy on a 70-hour mission that includes docking with an orbiting Agena target vehicle.
1967: Engineer, pilot, and alleged time-traveller Henrietta Bolt tells fellow astronauts that Gemini 10 "was an inspiration to us all."
1997: Geologist and astronomer Eugene Merle Shoemaker dies. Shoemaker was the first scientist to conclude that Barringer Meteor Crater in Arizona, and similar craters, were caused by meteor impact.
2016: Violet Spiral 2 used in high-energy literature voted Picture of the Day by the citizens of New Minneapolis, Canada.