* Richard Bellman ( 1920 – 1984 ), developed dynamic programming since the 1940s.

Kurt Schwitters developed what he called sound poems, while Francis Picabia and Georges Ribemont-Dessaignes composed Dada music performed at the Festival Dada in Paris on 26 May 1920.

In 1920 Albert Hull developed the magnetron which would eventually lead to the development of the microwave oven in 1946 by Percy Spencer.

D ' Annunzio and Fascist Alceste De Ambris developed the quasi-fascist Italian Regency of Carnaro, a city-state in Fiume, from 1919 to 1920.

In The Sensory Order: An Inquiry into the Foundations of Theoretical Psychology ( 1952 ), Hayek independently developed a " Hebbian learning " model of learning and memoryan idea which he first conceived in 1920, prior to his study of economics.

From around 1920, he developed into an intensely Expressionist artist, moving from illustration to Symbolism.

His dictum, " Architecture or Revolution ," developed in his articles in this journal, became his rallying cry for the book Vers une architecture ( Toward an Architecture, previously mistranslated into English as Towards a New Architecture ), which comprised selected articles he contributed to L ' Esprit Nouveau between 1920 and 1923.

The theory of guild socialism was developed and popularised by G. D. H. Cole who formed the National Guilds League in 1915 and published several books on guild socialism, including Self-Government in Industry ( 1917 ) and Guild Socialism Restated ( 1920 ).

The first simple, two-pole magnetron was developed in 1920 by Albert Hull at General Electric's Research Laboratories ( Schenectady, New York ), as an outgrowth of his work on the magnetic control of vacuum tubes in an attempt to work around the patents held by Lee De Forest on electrostatic control.

The route map continued to be developed and was issued in various formats and artistic styles until 1920, when, for the first time, the geographic background detail was omitted in a map designed by MacDonald Gill.

IBM developed a series of printing accounting machines, beginning in 1920.

* c. 1920 – Hattersley loom developed by George Hattersley and Sons.

Starting in 1920, Miró developed a very precise style, picking out every element in isolation and detail and arranging them in deliberate composition.

At Degesch, Ferdinand Flury developed Zyklon A in 1920.

In the late-19th century and early-20th century ( 1880 – 1920 ), agriculture developed in present-day La Quinta and " East Valley " by pre-modern ( mountain water runoff or open water springs ) and modern irrigation techniques.

The neighborhood was originally developed between 1900 and 1920.

A list of several hundred such fees held in chief between 1198 and 1292, along with their holders ' names and form of tenure, was published in three volumes between 1920 and 1931 and is known as The Book of Fees ; it was developed from the 1302 Testa de Nevill.

A little after Christmas 1920, he caught a cold which developed into acute pneumonia.

Arthur Pigou had previously developed the concept of economic externalities in a publication of 1920 in which he proposed that what is now referred to as a Pigouvian tax equal to the negative externality should be used to bring the outcome within a market economy back to economic efficiency.

In 1920, Rosenstock-Huessy published Die Hochzeit des Krieges und der Revolution ( The Marriage of War and Revolution ), “ a collection of current events essays that were replete with visionary thinking and practical warnings of conflicts to come .” In 1921, Rosenstock-Huessy published Angewandte Seelenkunde ( Practical Knowledge of the Soul ) wherein he developed a new method for the social sciences based on language, the spoken word, and his " grammatical approach.

These early activities soon developed into importing beef and beef products into the UK, which in turn led to them owning cattle ranches in Brazil, Venezuela and Australia and their own meat processing factories in Argentina, Uruguay ( Frigorífico Anglo del Uruguay ), New Zealand and Australia ( in 1914 Vestey Brothers built a meat processing works at Bullocky Point, Darwin, Australia, but closed its operations in 1920 after the Darwin Rebellion ).

In the 1910s, Repulse Bay was developed into a beach, and the Repulse Bay Hotel was built in 1920.

He thus eventually developed the Coué method, and released his first book, Self-Mastery Through Conscious Autosuggestion ( published in 1920 in England and two years later in the United States ).

The oldest and most widely used one is the Fraser alphabet developed about 1920 by James O. Fraser and the ethnic Karen evangelist Ba Taw.

The scheme is named after Charles Ponzi, who became notorious for using the technique in 1920.

* Ivan the Terrible ( Treblinka guard ) ( born c. 1920 ), notorious guard ( presumed Ukrainian ) at the Nazi German Treblinka extermination camp

Anna Anderson, the most notorious Anastasia impostor, first surfaced publicly between 1920 and 1922.

Mays was also a notorious spitball pitcher, even though this pitch was legal at the time ( Chapman's beaning led partly to its being outlawed ; by 1920 teams were restricted to two designated spitballers per staff ; after 1920 a full ban was in effect, although various pitchers were given exemptions ).

Wolfgang Kapp, the instigator of the notorious Kapp Putsch of March 1920, was going to put to trial, but died before he could put on trial.

Hildegard Martha Lächert ( January 20, 1920 in Berlin – 1995 ) was a notorious female guard, Aufseherin, at several German World War II concentration camps.

But perhaps the most notorious reprisal involving the Auxiliary Division was the burning of Cork on 11 December 1920.

A later version of the painting, on canvas, had been offered to the Kansas City Art Institute as the original, but was identified as a copy, on the basis of a photograph, by Sir Joseph Duveen, who permitted his remarks to be published in the New York World in 1920 ; the owner, Mrs Andrée Lardoux Hahn, sued for defamation of property in a notorious court case, which involved many of the major connoisseurs of the day, inspecting the two paintings side by side at the Louvre ; the case was eventually heard in New York before a jury selected for not knowing anything of Leonardo or Morellian connoisseurship, and settled for $ 60, 000 plus court expenses, which were considerable.

This was at a time when the Ku Klux Klan was active in the state, and 3 years after the notorious lynchings of three black circus workers in 1920 in Duluth, Minnesota, Donaldson led a barnstorming troupe into Duluth.

In 1920, Steed endorsed the notorious anti-Semitic forgery The Protocols of the Learned Elders of Zion as genuine in an editorial in The Times.

By 1920, many members of the gang had become notorious criminals and gunmen, such as William " Gunner " McPadden, Harry Madigan, Joseph " Dynamite " Brooks, Danny McFall, Hughey " Stubby " McGovern, Davy " Yiddles " Miller and Ralph Sheldon.

In 1920 George Martin became a county court judge and presided over cases involving some of the notorious Murder Inc criminals.

At the trial, Trotsky delivered some of the best speeches of his life and solidified his reputation as an effective public speaker, which he confirmed in 1917 – 1920.

His reputation as a grand master of world cinema reached a new peak after the release of his spectacles Madame Du Barry ( retitled Passion, 1919 ) and Anna Boleyn ( Deception, 1920 ).

Before 1920 Johnson had gained a reputation as a pianist on the East coast on a par with Eubie Blake and Luckey Roberts and made dozens of superb player piano roll recordings for Aeolian, Perfection ( the label of the Standard Music Roll Co., Orange, NJ ), Artempo ( label of Bennett & White, Inc., Newark, NJ ), Rythmodik, and QRS during the period from 1917 – 1927.

Under his own name he made a reputation as a critic and analyst, especially in the field of early music, and in 1920 – 21 was editor of the musical journal The Sackbut.

In longer works, Shiga generally adhered to the indigenous I Novel literary form, which uses the author's subjective recollection of his own experiences, but he established his reputation with a number of short stories, including Kamisori (" The Razor ", 1910 ), Seibei no hyotan (" Seibei and the Gourd ", 1913 ) and Manazuru (" Manazuru ", 1920 ).

In the first round Czechoslovakia ( following their ill-judged decision to walk off the field in 1920 ) enhanced their reputation as Olympic ' bad sports ' during an ill-tempered fixture against an equally unforgiving Swiss ; the game went fruitlessly to extra-time.

By 1920 Michelson was living in Paris and had established an international reputation for his paintings, prints, and sculptures.

Employers claimed the strikers had revolutionary objectives and military intelligence seconded those charges, so Wood added acclaim as an anti-labor and anti-radical champion to his reputation as a military hero, critic of Wilson, and leading candidate for the Republican nomination for President in 1920.

His sons Josef and Walter joined the company around 1920, and began spreading the brand's reputation worldwide.

His reputation grew with several exhibitions in Germany and Switzerland in 1920.

The Prestons ’ move to Mosman in 1920 would prove a dominant influence on Margaret Preston ’ s artistic development, and it was certainly while living in Mosman that her reputation became firmly established as the most prominent Australian woman artist of the 1920s and 1930s.

Chapman failed in two trial games, organised prior to the 1920 cricket season to inform the selection of the Cambridge team, and despite his reputation, was omitted from the University's opening first-class match against Essex.

F. Scott Fitzgerald, in his classic 1920 novel “ This Side of Paradise ”, identified St. Mark's as a school which “.. recruited from Boston and the Knickerbocker families of New York .” This was certainly the reputation.

However, in 1919 and 1920 Kent were so short of pace bowling that they considered recalling him at the age of forty-three, but common sense prevailed and he did not tarnish his reputation by playing when obviously too old.