|
Max Mason
Charles Max Mason (–), better known as Max Mason, was an American mathematician. Mason was president of the University of Chicago (1925–1928) and president of the Rockefeller Foundation (1929–1936). Mason's mathematical research interests included differential equations, the calculus of variations, and electromagnetic theory. Education *B.Litt., 1898, University of Wisconsin-Madison *Ph.D., Mathematics, University of Göttingen, 1903. **Dissertation: "Randwertaufgaben bei gewöhnlichen Differentialgleichungen" ( Boundary value functions with ordinary differential equations) **Advisor: Hilbert Career * Massachusetts Institute of Technology (MIT), 1903–1904, Instructor of Mathematics. * Yale University, 1904–1908, Assistant Professor of Mathematics. * University of Wisconsin–Madison, 1908–1909, University of Wisconsin–Madison, Associate Professor of Mathematics. * University of Wisconsin–Madison, 1909–1925, Professor of Physics. **National Research Counci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madison, Wisconsin
Madison is the county seat of Dane County and the capital city of the U.S. state of Wisconsin. As of the 2020 census the population was 269,840, making it the second-largest city in Wisconsin by population, after Milwaukee, and the 80th-largest in the U.S. The city forms the core of the Madison Metropolitan Area which includes Dane County and neighboring Iowa, Green, and Columbia counties for a population of 680,796. Madison is named for American Founding Father and President James Madison. The city is located on the traditional land of the Ho-Chunk, and the Madison area is known as ''Dejope'', meaning "four lakes", or ''Taychopera'', meaning "land of the four lakes", in the Ho-Chunk language. Located on an isthmus and lands surrounding four lakes—Lake Mendota, Lake Monona, Lake Kegonsa and Lake Waubesa—the city is home to the University of Wisconsin–Madison, the Wisconsin State Capitol, the Overture Center for the Arts, and the Henry Vilas Zoo. Madison is ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Hilbert
David Hilbert (; ; 23 January 1862 – 14 February 1943) was a German mathematician, one of the most influential mathematicians of the 19th and early 20th centuries. Hilbert discovered and developed a broad range of fundamental ideas in many areas, including invariant theory, the calculus of variations, commutative algebra, algebraic number theory, the foundations of geometry, spectral theory of operators and its application to integral equations, mathematical physics, and the foundations of mathematics (particularly proof theory). Hilbert adopted and defended Georg Cantor's set theory and transfinite numbers. In 1900, he presented a collection of problems that set the course for much of the mathematical research of the 20th century. Hilbert and his students contributed significantly to establishing rigor and developed important tools used in modern mathematical physics. Hilbert is known as one of the founders of proof theory and mathematical logic. Life Early life and edu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charlie McCarthy
Charlie McCarthy is Edgar Bergen's famed ventriloquist dummy partner. Charlie was part of Bergen's act as early as high school, and by 1930, was attired in his famous top hat, tuxedo, and monocle. The character was so well-known that his popularity exceeded that of his performer, Bergen. Charlie's personality was that of a mischievous little boy (with an Irish lilt), who could wisecrack, misbehave, and flirt shamelessly in a way that Bergen couldn't (in much the same way that the Muppet characters could behave more outrageously than any of their human co-stars). Bergen's original McCarthy dummy was built by noted carpenter/dummy-maker Theodore Mack, and was later rebuilt by Frank Marshall. Charlie and Bergen made their radio debut on NBC's ''The Royal Gelatin Hour'' in 1936, where they proved such a hit that the following year the network gave them a starring role on ''The Chase and Sanborn Hour'', where they were initially supported by emcee Don Ameche, singer Nelson Eddy (a rol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edgar Bergen
Edgar John Bergen (born Edgar John Berggren; February 16, 1903 – September 30, 1978) was an American ventriloquist, actor, comedian, vaudevillian and radio performer, best known for his proficiency in ventriloquism and his characters Charlie McCarthy and Mortimer Snerd. He was the father of actress Candice Bergen. Early life Bergen was born in Chicago, Illinois, one of five children and the younger of two sons of Swedish immigrants Nilla Svensdotter (née Osberg) and Johan Henriksson Berggren. He lived on a farm near Decatur, Michigan until he was four, when his family returned to Sweden, where he learned the language. After his family had returned to Chicago, when he was eleven, he taught himself ventriloquism from a pamphlet called "The Wizard's Manual". He attended Lake View High School. After his father died, when Edgar was 16, he went out to work as an apprentice accountant, a furnace stoker, a player-piano operator, and a projectionist in a silent-movie house. E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Newspapers
A newspaper is a periodical publication containing written information about current events and is often typed in black ink with a white or gray background. Newspapers can cover a wide variety of fields such as politics, business, sports and art, and often include materials such as opinion columns, weather forecasts, reviews of local services, obituaries, birth notices, crosswords, editorial cartoons, comic strips, and advice columns. Most newspapers are businesses, and they pay their expenses with a mixture of subscription revenue, newsstand sales, and advertising revenue. The journalism organizations that publish newspapers are themselves often metonymically called newspapers. Newspapers have traditionally been published in print (usually on cheap, low-grade paper called newsprint). However, today most newspapers are also published on websites as online newspapers, and some have even abandoned their print versions entirely. Newspapers developed in the 17th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Associated Press
The Associated Press (AP) is an American non-profit news agency headquartered in New York City. Founded in 1846, it operates as a cooperative, unincorporated association. It produces news reports that are distributed to its members, U.S. newspapers and broadcasters. The AP has earned 56 Pulitzer Prizes, including 34 for photography, since the award was established in 1917. It is also known for publishing the widely used '' AP Stylebook''. By 2016, news collected by the AP was published and republished by more than 1,300 newspapers and broadcasters, English, Spanish, and Arabic. The AP operates 248 news bureaus in 99 countries. It also operates the AP Radio Network, which provides newscasts twice hourly for broadcast and satellite radio and television stations. Many newspapers and broadcasters outside the United States are AP subscribers, paying a fee to use AP material without being contributing members of the cooperative. As part of their cooperative agreement with the AP, most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Kansas City Star
''The Kansas City Star'' is a newspaper based in Kansas City, Missouri. Published since 1880, the paper is the recipient of eight Pulitzer Prizes. ''The Star'' is most notable for its influence on the career of President Harry S. Truman and as the newspaper where a young Ernest Hemingway honed his writing style. The paper is the major newspaper of the Kansas City metropolitan area and has widespread circulation in western Missouri and eastern Kansas. History Nelson family ownership (1880–1926) The paper, originally called ''The Kansas City Evening Star'', was founded September 18, 1880, by William Rockhill Nelson and Samuel E. Morss. The two moved to Missouri after selling the newspaper that became the '' Fort Wayne News Sentinel'' (and earlier owned by Nelson's father) in Nelson's Indiana hometown, where Nelson was campaign manager in the unsuccessful Presidential run of Samuel Tilden. Morss quit the newspaper business within a year and a half because of ill health. At ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Palomar Observatory
Palomar Observatory is an astronomical research observatory in San Diego County, California, United States, in the Palomar Mountain Range. It is owned and operated by the California Institute of Technology (Caltech). Research time at the observatory is granted to Caltech and its research partners, which include the Jet Propulsion Laboratory (JPL), Yale University, and the National Optical Observatories of China. The observatory operates several telescopes, including the Hale Telescope, the Samuel Oschin Telescope (dedicated to the Zwicky Transient Facility, ZTF), the Palomar Telescope, and the Gattini-IR telescope. Decommissioned instruments include the Palomar Testbed Interferometer and the first telescopes at the observatory, an Schmidt camera from 1936. History Hale's vision for large telescopes and Palomar Observatory Astronomer George Ellery Hale, whose vision created the Palomar Observatory, built the world's largest telescope four times in succession. He publishe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonar
Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigation, navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels. "Sonar" can refer to one of two types of technology: ''passive'' sonar means listening for the sound made by vessels; ''active'' sonar means emitting pulses of sounds and listening for echoes. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Acoustic location in air was used before the introduction of radar. Sonar may also be used for robot navigation, and SODAR (an upward-looking in-air sonar) is used for atmospheric investigations. The term ''sonar'' is also used for the equipment used to generate and receive the sound. The acoustic frequencies used in sonar systems vary from very low (infrasonic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Submarine
A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely operated vehicles and Autonomous underwater vehicle, robots, as well as medium-sized or smaller vessels, such as the midget submarine and the wet sub. Submarines are referred to as ''boats'' rather than ''ships'' irrespective of their size. Although experimental submarines had been built earlier, submarine design took off during the 19th century, and they were adopted by several navies. They were first widely used during World War I (1914–1918), and are now used in many navy, navies, large and small. Military uses include attacking enemy surface ships (merchant and military) or other submarines, and for aircraft carrier protection, Blockade runner, blockade running, Ballistic missile submarine, nuclear deterrence, reconnaissance, conventio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States National Research Council
The National Academies of Sciences, Engineering, and Medicine (also known as NASEM or the National Academies) are the collective scientific national academy of the United States. The name is used interchangeably in two senses: (1) as an umbrella term for its three quasi-independent honorific member organizations the National Academy of Sciences (NAS), the National Academy of Engineering (NAE), and the National Academy of Medicine (NAM); and (2) as the brand for studies and reports issued by the operating arm of the three academies, the National Research Council (NRC). The NRC was first formed in 1916 as an activity of the NAS. Now jointly governed by all three academies, the NRC produces some 200 publications annually which are published by the National Academies Press. The reports produced by the National Academies have been characterized as reflective of scientific consensus. History The US National Academy of Sciences was created by an Act of Incorporation dated March 3, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
