Template:Selected anniversaries/July 18: Difference between revisions
No edit summary |
No edit summary |
||
| Line 16: | Line 16: | ||
||1890: Christian Heinrich Friedrich Peters dies ... astronomer, and a pioneer in the study of asteroids. Pic. | ||1890: Christian Heinrich Friedrich Peters dies ... astronomer, and a pioneer in the study of asteroids. Pic. | ||
||1891: Emil Julius Gumbel dies ... mathematician and statistician. Gumbel was instrumental in the development of extreme value theory, along with Leonard Tippett and Ronald Fisher. He also derived and analyzed the probability distribution that is now known as the Gumbel distribution in his honor. Pic search yes: https://www.google.com/search?q=emil+julius+gumbel | |||
||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. | ||
||1906: Edwin Ford Beckenbach born ... mathematician. | ||1906: Edwin Ford Beckenbach born ... mathematician. Pic. | ||
||1906: Sidney Darlington born ... electrical engineer and inventor of a transistor configuration in 1953, the Darlington pair. He advanced the state of network theory, developing the insertion-loss synthesis approach, and invented chirp radar, bombsights, and gun and rocket guidance. Pic. | ||1906: Sidney Darlington born ... electrical engineer and inventor of a transistor configuration in 1953, the Darlington pair. He advanced the state of network theory, developing the insertion-loss synthesis approach, and invented chirp radar, bombsights, and gun and rocket guidance. Pic. | ||
| Line 27: | Line 29: | ||
||1914: The U.S. Congress forms the Aviation Section, U.S. Signal Corps, giving official status to aircraft within the U.S. Army for the first time. | ||1914: The U.S. Congress forms the Aviation Section, U.S. Signal Corps, giving official status to aircraft within the U.S. Army for the first time. | ||
||1922: Thomas Kuhn born ... physicist, historian, and philosopher. | ||1922: Thomas Kuhn born ... physicist, historian, and philosopher. Kuhn's 1962 book ''The Structure of Scientific Revolutions'' was influential in both academic and popular circles, introducing the term paradigm shift, which has since become an English-language idiom. Pic. | ||
||1926: Thomas L. Saaty born ... inventor, architect, and primary theoretician of the Analytic Hierarchy Process (AHP), a decision-making framework used for large-scale, multiparty, multi-criteria decision analysis, and of the Analytic Network Process (ANP), its generalization to decisions with dependence and feedback. Pic. | ||1926: Thomas L. Saaty born ... inventor, architect, and primary theoretician of the Analytic Hierarchy Process (AHP), a decision-making framework used for large-scale, multiparty, multi-criteria decision analysis, and of the Analytic Network Process (ANP), its generalization to decisions with dependence and feedback. Pic. | ||
Revision as of 11:51, 21 May 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.