An early pioneer of radio astronomy was Grote Reber, an amateur astronomer who constructed the first purpose built radio telescope in the late 1930s to follow up on the discovery of radio wavelength emissions from space by Karl Jansky.

His reception remained warmer in America than Britain, and he continued to publish novels and short stories, but by the late 1930s the audience for Milne's grown-up writing had largely vanished: he observed bitterly in his autobiography that a critic had said that the hero of his latest play (" God help it ") was simply " Christopher Robin grown up ... what an obsession with me children are become!

The French critics thought it was characteristic of American films of the 1930s or 1940s ; however, it was mostly characteristic of cheaper American movies, such as Charlie Chan mysteries where people collected in front of a fireplace or at the foot of the stairs in order to explain what happened a few minutes ago.

Due to his close proximity with Jacques Doriot's fascist Parti Populaire Français ( PPF ) during the 1930s and his role in implementing eugenics policies during Vichy France, he was accused after the Liberation of collaborationism, but died before the trial.

For a while in the 1920s and 1930s there was a Green International ( International Agrarian Bureau ) based on the peasant parties in Bulgaria, Czechoslovakia, Poland and Serbia.

Despite this, Babbage's work fell into historical obscurity and the Analytical Engine was unknown to builders of electro-mechanical and electronic computing machines in the 1930s and 1940s when they began their work, resulting in the need to re-invent many of the architectural innovations Babbage had proposed.

In the 19th century and up to the 1930s, the city was important for the production of railway locomotives and carriages, iron, pins, needles, buttons, tobacco, woollen goods, and silk goods.

Phage therapy was in use in the 1920s and 1930s in the US, Western Europe, and Eastern Europe.

Great progress was made in the field of aviation during the 1920s and 1930s, such as Charles Lindbergh's solo transatlantic flight in 1927, and Charles Kingsford Smith's transpacific flight the following year.

The subspace radio, best known today from Star Trek and named for the method used in the series for achieving faster-than-light travel, was the most commonly used name for such a faster-than-light communicator in the science fiction of the 1930s to the 1950s.

His first major published work was in 1911, Cowboy Songs and Other Frontier Ballads, and was arguably the most prominent US folk music scholar of his time, notably during the beginnings of the folk music revival in the 1930s and early 1940s.

One of the earliest 20th century practitioners of this method was The Mills Brothers whose early recordings of the 1930s clearly stated on the label that all instrumentation was done vocally.

Gumede ( president of the ANC ) proposed cooperation with the Communists in a bid to revitalise the organisation, but he was voted out of power in the 1930s.

This topic was further developed in the 1930s by Alonso Church and Alan Turing, who on the one hand gave two independent but equivalent definitions of computability, and on the other gave concrete examples for undecidable questions.

The height of Nimzowitsch's career was the late 1920s and early 1930s.

In a series of published and unpublished studies in the 1930s, Whorf argued that Mayan writing was to some extent phonetic.

Originally, the award was known as the J. Louis Comiskey Memorial Award, named after the Chicago White Sox owner of the 1930s.

The column is unsigned except by " Beachcomber " and it was not publicly known that Morton or Wyndham-Lewis wrote it until the 1930s.

For many years, bouldering was commonly viewed as a playful training activity for climbers, although in the 1930s and late 1940s Pierre Allain and his companions enjoyed bouldering for its own sake in Fontainebleau, considered by many to be the Mecca of bouldering.

In the 1920s and 1930s almost every major cosmologist preferred an eternal steady state Universe, and several complained that the beginning of time implied by the Big Bang imported religious concepts into physics ; this objection was later repeated by supporters of the steady state theory.

* The town hall was constructed in the 1930s after the destruction of the Saint Maurice chapel in July 1934.

A few English banks continued to issue their own notes until the last of them was taken over in the 1930s.

High-alcohol liquor, two forms of which were in the US Pharmacopoeia up until 1916 and in common use by physicians well into the 1930s, has been used in the past as an agent for dulling pain, due to the CNS depressant effects of ethyl alcohol, a notable example being the American Civil War.

Since the late 1930s alloy steels have been used for frame and fork tubes in higher quality machines.

The supporters of these views feel that the Afrikaner designation ( or label ) was used from the 1930s onwards as a means of unifying ( politically at least ) the white Afrikaans speakers of the Western Cape with those of Trekboer and Voortrekker descent ( whose ancestors began migrating eastward during the late 17th century and throughout the 18th century and later northward during the Great Trek of the 1830s ) in the north of South Africa, where the Boer Republics were established.

This is the diagnosis used in Robert Graves ' Claudius novels, first published in the 1930s.

It was completed in 1970 and has used a black and white Portuguese pavement design since its origin in the 1930s: a geometric wave.

Tsiang and John King Fairbank, who used newly opened archives in the 1930s to write from the Chinese point of view.

Today the term " Collegiate Shag " is most often used in reference to a kind of double shag ( see explanation below ) that is believed to have originated in New York or New Jersey during the 1930s.

" To have a butcher's ", meaning to have a look, originates from " butcher's hook ", an S-shaped hook used by butchers to hang up meat, and dates from the late 19th century but has existed independently in general use from around the 1930s simply as " butchers ".

* Consolidated Aircraft Commodore, a flying boat used for passenger travel in the 1930s

In the 1930s, they slowly began to be used in a few automobiles.

Because an unamplified upright bass is generally the quietest instrument in a jazz band, many players of the 1920s and 1930s used the slap style, slapping and pulling the strings so that they make a rhythmic " slap " sound against the fingerboard.

* Ecclesia was also used in this sense by other groups in the 19th Century and by the Jehovah's Witnesses until 1930s.

Free-response measures, such as used by Carington in the 1930s, were developed with attempts to raise the sensitivity of participants to their cognitions.

From the early 1930s the Japanese had been at war against both the Chinese Nationalists and the Russians in China, and used the experience to improve both training and aircraft, replacing biplanes with modern cantilever monoplanes and creating a cadre of exceptional pilots for use in the Pacific War.

( Though it was technically legal, the hand-to-hand snap was not used on the American side of the border until the 1930s.

As can be seen from the names of the franchises, the USA is a leader in franchising, a position it has held since the 1930s when it used the approach for fast-food restaurants, food inns and, slightly later, motels at the time of the Great Depression.

The British Union of Fascists also used it in the 1930s.

Radio shows of the 1930s and 1940s used the Hammond for not only mood music but more significantly, for sound effects.

Airstrips built in the late 1930s to accommodate her planned stopover were never used, subsequently damaged, not maintained and gradually disappeared.

Hydroponics was used there in the 1930s to grow vegetables for the passengers.

By the 1930s, the guitar began to displace the banjo as the primary chordal rhythm instrument in jazz music, because the guitar could be used to voice chords of greater harmonic complexity, and it had a somewhat more muted tone that blended well with the upright bass, which, by this time, had almost completely replaced the tuba as the dominant bass instrument in jazz music.

In his early years, Hitler's aim in foreign affairs was to persuade the world that he wished to reduce military spending by making idealistic but very vague disarmament offers ( in the 1930s, the term disarmament was used to describe arms-limitation agreements ).