* 1978 – Karl Wallenda of The Flying Wallendas dies after falling off a tight-rope between two hotels in San Juan, Puerto Rico.

* 1978 – Karl Wallenda, German acrobat ( b. 1905 )

* March 22 – Karl Wallenda of the Flying Wallendas dies after falling off a tight-rope between two hotels in San Juan, Puerto Rico.

* March 22 – Karl Wallenda, American circus performer ( b. 1905 )

Karl Wallenda ( January 21, 1905 – March 22, 1978 ) was the founder of The Flying Wallendas, an internationally known daredevil circus act remembered for performing death-defying stunts, often without a safety net.

The Great Wallendas, a 1978 made-for-TV movie starring Karl Wallenda, depicts the act's comeback after a fatal accident involving several family members during a performance.

Nik Wallenda, a direct descendant of Karl Wallenda, continues the family tradition of performing stunts on highwire without a safety net.

On June 4, 2011, he completed the high-wire crossing that killed his great-grandfather, citing Karl Wallenda as his " biggest hero in life.

* Karl Wallenda is mentioned in Tom Robbins book Villa Incognito

* Karl Wallenda at Find A Grave

it: Karl Wallenda

pt: Karl Wallenda

* Karl Wallenda, founder of the Flying Wallendas, died after falling from a wire on March 22, 1978 at age 73 while attempting to cross between the two towers of the Condado Plaza Hotel in San Juan, Puerto Rico

* Nik Wallenda, great-grandson of Karl, second person to walk from the USA to Canada over the Horseshoe Falls at the Niagara Falls on June 15, 2012 ; with his mother Delilah ( Karl's granddaughter ), completed his great-grandfather's final attempt between the two towers of the Condado Plaza Hotel on June 4, 2011

* Rick Wallenda, American highwire walker, performed a record-breaking skywalk of at Kings Island on July 4, 2008, breaking Karl Wallenda's record walk

On July 18, 1970, Karl Wallenda became the second man to walk across the gorge on a tightrope.

* On July 18, 1970, a 65-year-old Karl Wallenda performed a high-wire walk across the Tallulah Gorge.

Tino Wallenda, son of legendary tight-rope walker Karl Wallenda, walked across a steel cable, above the ground.

Her brother Karl was a very gentle soul, her mother was a quiet woman who said little but who had hard, probing eyes.

Blissymbols were invented by Charles K. Bliss ( 1897 – 1985 ), born Karl Kasiel Blitz in the Austro-Hungarian city of Czernowitz ( at present the Ukrainian city of Chernivtsi ), which had a mixture of different nationalities that “ hated each other, mainly because they spoke and thought in different languages .”

Being himself one of the leaders of the Communist Party of Italy, ( CPI ), his theories had, in turn, been strongly influenced by the German social thinker Karl Marx, and have their ideological roots grounded in Marxist theory of false consciousness and capitalist exploitation.

Thus, it was not until two centuries had passed that in 1872 Karl Weierstrass presented the first definition of a function with a graph that would today be considered fractal, having the non-intuitive property of being everywhere continuous but nowhere differentiable.

Hayek had a long-standing and close friendship with philosopher of science Karl Popper, also from Vienna.

He was accused of atheism in 1798 after publishing his essay “ Ueber den Grund unsers Glaubens an eine göttliche Weltregierung ” ( On the Ground of Our Belief in a Divine World-Governance ), which he had written in response to Friedrich Karl Forberg's essay “ Development of the Concept of Religion ,” in his Philosophical Journal.

Irving Berlin quipped, " The world would not be in such a snarl, had Marx been Groucho instead of Karl ", In his book The Groucho Phile, Marx says " I've been a liberal Democrat all my life ", and " I frankly find Democrats a better, more sympathetic crowd ....

However, their efforts were unable to stop the spread of revolutionary movements: the middle classes had been deeply influenced by the ideals of the French revolution, the Industrial Revolution brought important economical and social changes, the lower classes started to be influenced by socialist, communist and anarchistic ideas ( especially those summarised by Karl Marx and Friedrich Engels in The Communist Manifesto ), and the preference of the new capitalists became Liberalism.

At the very least, Marxism had now been born, and " historical materialism " had become a distinct philosophical doctrine, subsequently elaborated and systematised by intellectuals like Eduard Bernstein, Karl Kautsky, Georgi Plekhanov and Nikolai Bukharin.

But, he said, Karl Kautsky had read it, and written a popular summary of the first volume.

The bankrupt American Bantam Car Company had no engineering staff left on the payroll and solicited Karl Probst, a talented freelance designer from Detroit.

It became necessary to disavow Tetzel and, when he discovered that Karl von Miltitz had accused him of perpetrating numerous frauds and embezzlements, he withdrew, broken in spirit, wrecked in health, into the Dominican monastery in Leipzig.

Philosopher Karl Jaspers, who had taken up residency in Switzerland, surrendered his German passport in protest.

Prior to this proposal, Goethe, de Saussure, Venetz, Jean de Charpentier, Karl Friedrich Schimper and others had made the glaciers of the Alps the subjects of special study, and Goethe, Charpentier as well as Schimper had even arrived at the conclusion that the erratic blocks of alpine rocks scattered over the slopes and summits of the Jura Mountains had been moved there by glaciers.

Both Karl Marx and the early socialist William Morris arguably had a deep concern for environmental matters.

This event affected the operations of the German fleet, whose commanders were ordered ( the " Laconia Order ") by Admiral Karl Dönitz to stop trying to rescue civilian survivors, ushering in the subsequent unrestricted submarine warfare for the German Navy ( Admiral Nimitz testified at Admiral Dönitz's trial that the US had practiced unrestricted warfare from day one ).

The opposite has also been claimed, most notably by Karl Popper, who held that such problems do exist, that they are solvable, and that he had actually found definite solutions to some of them.

Maurice Merleau-Ponty () ( 14 March 1908 – 3 May 1961 ) was a French phenomenological philosopher, strongly influenced by Karl Marx, Edmund Husserl, and Martin Heidegger in addition to being closely associated with Jean-Paul Sartre ( who later stated he had been " converted " to Marxism by Merleau-Ponty ) and Simone de Beauvoir.

Weber's friend, the psychiatrist and existentialist philosopher Karl Jaspers, described him " the greatest German of our era " and his untimely death felt to Jaspers " as if the German world had lost its heart.

Under Dr. Ing e. h. Karl Stief, who had been chief engineer at Opel since 1934, useful changes were made to this tough little car.

When asked about Karl Marx, Malcolm X ( who had never read Marx ) stated that he agreed with Spengler ’ s view of social class and economic systems as secondary to racial identity.

In any case, revolutionaries like Karl Marx, Friedrich Engels, Vladimir Lenin, and Mao Zedong had no trouble adapting Clausewitz's concepts to their own purposes.

Building on the work of Karl Abraham, Freud developed the idea of a series of developmental phases in which the libido fixates on different erogenous zones — first in the oral stage ( exemplified by an infant's pleasure in nursing ), then in the anal stage ( exemplified by a toddler's pleasure in controlling his or her bowels ), then in the phallic stage, through a latency stage in which the libido is dormant, to its reemergence at puberty in the genital stage.

Karl Popper expanded on this idea to include a quantitative measurement he called verisimilitude, or truth-likeness.

He and Streiner contacted Karl Hardman and Marilyn Eastman, president and vice president respectively of a Pittsburgh-based industrial film firm called Hardman Associates, Inc., and pitched their idea for a then-untitled horror film.

At the same time, however, and owing to both the presence of another prominent sociologist at the Institute, Karl Mannheim, as well as the methodological problem posed by treating objects-like " musical material "-as ciphers of social contradictions, Adorno was compelled to abandon any notion of " value-free " sociology in favor of a form of ideology critique which held on to an idea of truth.

Karl Marx, in an interview by R. Landor from 1871, said that Mazzini's ideas represented " nothing better than the old idea of a middle-class republic.

In this, he follows Karl Popper, who blamed the idea of the state as a made order on Plato in The Open Society and its Enemies.

The first was Karl Marx's idea of commodity fetishism, in which objects are imagined to dictate the social activities that produce them.

In some way, the idea of " human capital " is similar to Karl Marx's concept of labor power: he thought in capitalism workers sold their labor power in order to receive income ( wages and salaries ).

19th century LGBT rights advocate Karl Heinrich Ulrichs introduced the idea of coming out as a means of emancipation

In 1869, one hundred years before the Stonewall Riots, the German homosexual rights advocate Karl Heinrich Ulrichs introduced the idea of self-disclosure as a means of emancipation.

Russian artist Viatcheslav Koleichuk claimed that the idea of tensegrity was invented first by Karl Ioganson, Russian artist of Latvian descent, who contributed some works to the main exhibition of Russian constructivism in 1921.

Karl Pearson developed the coefficient from a similar but slightly different idea by Francis Galton.

The Sadducee idea of soul mortality reflected on Uriel Acosta who mentions them in his writings, and the thinker was referred to as a Sadducee in Karl Gutzkow's play The Sadducees in Amsterdam ( 1834 ).

In contrast with Karl Marx and his adherents, Lassalle rejected the idea that the state was a class-based power structure with the function of preserving existing class relations and destined to " wither away " in a future classless society.

It was developed by Karl Pearson from a similar but slightly different idea introduced by Francis Galton in the 1880s.

* Philosophers such as Karl Popper and Imre Lakatos have popularized the idea, that criticism is a normal part of scientific activity.

This idea was earlier proposed by Bal Gangadhar Tilak ( whom Bennett credits ) in his The Arctic Home in the Vedas ( 1903 ) as well as the Austro-Hungarian ethnologist Karl Penka ( Origins of the Aryans, 1883 ).

Like Spengler, he rejected the strict biological view of race, instead preferring a spiritual conception of race married with Karl Haushofer's idea of geopolitics ; but unlike Spengler, who regarded the Nazis as too bourgeois, Yockey believed in German National Socialism, and supported various Fascist and neo-Fascist causes for the remainder of his life, including anti-Semitism.

Karl Marx and Friedrich Engels attribute the doctrine to Lassalle ( notably in Critique of the Gotha Programme ( 1875 ), Marx ), crediting the idea to Thomas Malthus in his work, An Essay on the Principle of Population, and the terminology to Goethe's " great, eternal iron laws " in Das Göttliche.

A lot of attention is given to Plato, Aristotle, and Karl Marx's views, since they all follow the idea of moral character after the Greeks.

For instance, Joshua Muravchik, on the basis of Karl Popper's definition of science as " the practice of experimentation, of hypothesis and test ," argued that " Owen and Fourier and their followers were the real ‘ scientific socialists .’ They hit upon the idea of socialism, and they tested it by attempting to form socialist communities.

This referential expansion led, for instance, to the formulation of the idea of social critique, such as arose after Karl Marx's theoretical work delineated in his Introduction to the Critique of Political Economy ( 1859 ), which was a critique of the then-current models of economic theory and thought of that time.

Karl Popper suggested that a theory should be considered scientific if and only if it can in principle be falsified by experiment ; any idea not susceptible to falsification does not belong to science.

This idea was first introduced by Alice Silverberg and Karl Rubin in 2003 in the form of a public key algorithm by the name of CEILIDH.