Fernand Petzl, born in 1912, began his caving career in the late 1920s and early 1930s.

In the 1930s, Carrel and Charles Lindbergh became close friends not only because of the years they worked together but also because they shared personal, political, and social views.

It formed its first government under parliamentarism in 1889, and continued to alternate in power with the Liberals until the 1930s, when Labour became the dominant political party.

By the 1930s, the five-line cinquain verse form became widely known in the poetry of the Scottish poet William Soutar.

He immigrated to the U. S. when he was six, and eventually became a creative force behind major award-winning films during the 1930s and 1940s.

Capra became one of America's most powerful directors during the 1930s, winning three Oscars as Best Director.

In Kenya, Christian missionaries in the 1920s and 1930s forbade their adherents from practising it — in part because of the medical consequences, but also because the accompanying rituals were seen as highly sexualized — and as a result it became a focal point of the independence movement among the Kikuyu, the country's main ethnic group.

This reduced manufacturing costs and, combined with a wider use of colored glass, led to cheap glassware in the 1930s, which later became known as Depression glass.

By the 1930s, Genosha Bay later became a United States extraterritorial prison which hold prisoners of the worse cases from around the world and was notorious for practicing inhumane punishments on its prisoners ranging from sleep deprivations and water torture.

In the process, Prussia became too heterogeneous, lost its identity, and by the 1930s had become an administrative shell of little importance.

Whilst the general public was not aware of nature observation ( formally conducted as field research ) during the 1930s, practitioners of the hobby went on to become the pioneers of the conservation movement that flourished in the UK from 1965 onwards ; a movement that eventually became a global political movement within a generation's timespan.

Some of them founded Action Française in 1898, during the Dreyfus Affair ; it became an influential movement throughout the 1930s, in particular among the conservative Catholic intellectuals.

After trying various jobs, Bogart began acting in 1921 and became a regular in Broadway productions in the 1920s and 1930s.

The IALA became a major supporter of mainstream American linguistics, funding, for example, numerous studies by Sapir, Collinson, and Morris Swadesh in the 1930s and 1940s.

Conceived in the early 1930s, the electric guitar became a necessity as jazz musicians sought to amplify their sound.

When Fairbanks ' romance with Sylvia, Lady Ashley became public in the early 1930s he and Pickford separated.

To the north, the foreshore used to be around Government Avenue in the 1920s but it shifted to a new road, King Faisal Road, in the early 1930s which became the coastal road.

In the late 1930s, Meher Baba invited a group of Western women to join him in India, where he arranged a series of trips throughout India and Ceylon ( now Sri Lanka ) that became known as the Blue Bus Tours.

In the 1930s, the first travel trailers became available, and this made camping even more popular.

Long-neglected 1930s through 1950s roadside diners, filling stations and other abandoned highway infrastructure became a target for historic preservation.

In the 1920s and 1930s, Daytona Beach became known as the place to set world land speed records, supplanting France and Belgium as the preferred location for land speed records, with eight consecutive world records set between 1927 and 1935.

It was updated in his dictionary Novial Lexike in 1930, and further modifications were proposed in the 1930s, but the language became dormant with Jespersen's death in 1943.

In the late 1930s, John W. Campbell became editor of Astounding Science Fiction, and a critical mass of new writers emerged in New York City in a group called the Futurians, including Isaac Asimov, Damon Knight, Donald A. Wollheim, Frederik Pohl, James Blish, Judith Merril, and others.

The screwball comedy is a principally American genre of comedy film that became popular during the Great Depression, originating in the early 1930s and thriving until the early 1940s.

The city then flourished as a center of commerce between east and west, and became the undisputed financial hub of the Asia Pacific in the 1930s.

English-language newspapers first became available in the early 1930s and reappeared in 1990s, becoming increasingly prominent since then.

As the international situation darkened in the late 1930s, Lyons became increasingly despondent.

Under Harris The Spectator became increasingly outspoken on developing international politics in the 1930s, in particular on the rise of fascism.

During the 1920s and 1930s farmers increasingly lost their land to absentee landowners, mostly American companies, that turned to the cultivation of sugar cane and, to a lesser extent, tobacco for export.

As the 1930s came to an end, both Jack and Harry Warner became increasingly alarmed over the rise of Nazism.

By the late 1930s, Bliss was no longer viewed as a modernist ; the works of his juniors William Walton and the youthful Benjamin Britten were increasingly prominent, and Bliss's music began to seem old-fashioned.

The South, which had started to vote increasingly Republican beginning in the 1930s, continued that trend, becoming the stronghold of the Republican party by the 1990s.

However, parliamentary government was not rooted deeply enough to withstand the economic and political pressures of the 1930s, during which military leaders became increasingly influential.

From the 1930s onwards he became an increasingly controversial figure ; from 1932 until four years after his death no publisher other than his own published his work.

The Welsh Highland line was almost totally dependent on tourism which proved slow to develop, because firstly, of two slumps in the early 1920s and early 1930s ; secondly, the rise of road traffic including ' charabancs '; thirdly the unreliability of the railway with its ( even then ) ancient carriages and increasingly decrepit locomotives.

By the early 1930s, however, the increasing speeds began to make the track increasingly dangerous, and in the period 1931 – 1935 there were 15 fatalities.

In the 1930s and subsequently the use of infinite extensions and the theory of Wolfgang Krull of their Galois groups was found increasingly useful.

From the late 1930s Howells turned increasingly to choral and organ music, composing a second series of Psalm Preludes followed by a set of Six Pieces ( begun 1939 ), of which the third, Master Tallis's Testament, a particular favorite of the composer's, recalled his formative experience of Vaughan Williams ' Tallis Fantasia.

Although at first they produced separate ranges of cars with the Daimler badge appearing mainly on the larger models, by the mid 1930s the two were increasingly sharing components leading to the 1936 Lanchester 18 / Daimler Light 20 differing in little except trim and grille.

Warner Bros. developed increasingly sophisticated technology to sequence greater numbers of phonograph sound effects to picture using the Vitaphone system, but these were rendered obsolete with the widespread adoption of sound-on-film processes in the early 1930s.

As the restrictions on production were increasingly ignored by the Germans in the 1930s, a new Mauser, the Mauser Standard Model, was developed from the rifle-length Karabiner 98b.

From 1915 to the 1930s, the RR Lyraes became increasingly accepted as a class of star distinct from the Cepheids, due to their shorter periods, differing locations within the galaxy, and chemical differences from classical Cepheids, being mostly metal-poor, Population II stars.

The term stress, having emerged out of endocrinology work in the 1930s, was popularized with an increasingly broad biopsychosocial meaning, and was increasingly linked to mental disorders.

Many semi-detached houses survive from 1930s, when there was a need for new housing in the town as a result of a growing population and an increasingly wealthy middle class.

" Though Photoplay only gave the single award for best film, its intentions and standards were influential on the Academy Awards founded later in the decade, and they overlap on Best Picture choices to some extent, though increasingly in the 1930s Photoplays choices reflected its primarily female audience.

In the late 1930s though, Wittgenstein grew increasingly distant, until Skinner's death from polio in 1941.

Although many of his first stories were primarily about sleuthing and the processes used in solving seemingly insolvable crimes, during the 1930s, he began to turn increasingly to stories that involved a combination of sensibilities often called " ero guro nansensu ", from the three words " eroticism, grotesquerie, and the nonsensical ".

Through continued work and re-investment of profits, the agency survived the Great Depression and became increasingly successful during the late 1930s and early 1940s.