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The 1920s (pronounced "nineteen-twenties" often shortened to the "' 20s" or the "Twenties") was a decade that began on January 1, 1920, and ended on December 31, 1929. . Primarily known for the economic boom that occurred in the Western World following the end of World War I (1914–1918), the decade is frequently referred to as the "Roaring Twenties" or the "Jazz Age" in America and Western ...
July 10 – Owen Chamberlain, American physicist, Nobel Prize laureate (died 2006). July 11 – David Challinor, American biologist, naturalist and scientific administrator at the Smithsonian Institution (died 2008). July 25 – Rosalind Franklin, English crystallographer (died 1958). July 30 – Marie Tharp, American geologist (died 2006).
Middletown: A Study in American Culture was primarily a look at changes in the white population of a typical American city between 1890 and 1925, a period of great economic change. The Lynds used the "approach of the cultural anthropologist " (see field research and social anthropology ), existing documents, statistics, old newspapers ...
1920s: Energy. During the 1920s, while fragmented electricity grids were just maturing in towns and cities (the national grid not coming on until 1933), petroleum and to a lesser extent natural ...
During the first half-century of Nobel Prizes – from 1901 to 1950 – American winners were in a distinct minority in the science categories. Since 1950, Americans have won approximately half of the Nobel Prizes awarded in the sciences. [15] See the List of Nobel laureates by country.
African American literary and artistic culture developed rapidly during the 1920s under the banner of the "Harlem Renaissance". In 1921, the Black Swan Corporation was founded. At its height, it issued 10 recordings per month. All-African American musicals also started in 1921.
The 1920s (pronounced "nineteen-twenties" often shortened to the "' 20s" or the "Twenties") was a decade that began on January 1, 1920, and ended on December 31, 1929. . Primarily known for the economic boom that occurred in the Western World following the end of World War I (1914–1918), the decade is frequently referred to as the "Roaring Twenties" or the "Jazz Age" in America and Western ...
It was during this time that railroad magnates such as Jay Gould and Cornelius Vanderbilt amassed great power and fortunes from consolidation of smaller rail lines into national corporations. By 1920, 254,000 miles (408,800 km) of standard-gauge railroad track had been laid in the United States, all of it owned or controlled by seven ...