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Tabea Tietz

chemistry
Christian Friedrich Schönbein and the Ozone

Christian Friedrich Schönbein and the Ozone

Tabea Tietz
On October 18, 1799, German-Swiss chemist Christian Friedrich Schönbein was born. Schönbein is best known for inventing the fuel cell (1838) and his discoveries of guncotton (nitrocellulose) and ozone. Christian Friedrich Schönbein – Early Years Christian Friedrich Schönbein came from a pietistic family, his father was a dyer, postman and bookkeeper. In 1812, after completing elementary school, he was apprenticed at a pharmaceutical factory in Böblingen and was adviced to begin studying at the…
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history
Andreas Osiander and Copernicus’ Revolutions

Andreas Osiander and Copernicus’ Revolutions

Tabea Tietz
On October 17, 1552, German Lutheran theologian Andreas Osiander passed away. Osiander published a corrected edition of the Vulgate Bible in 1522 and oversaw the publication of the book De revolutionibus orbium coelestium (On the revolution of the celestial spheres) by Copernicus in 1543.[1] Osiander pursued mathematics as a hobby and edited Cardano‘s Artis Magnae, which introduced the theory of algebraic equations. Andreas Osiander – Background Andreas Osiander was born in Gunzenhausen, Principality…
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aviation
Wildwest Showman Samuel Cody and the First Flight in England

Wildwest Showman Samuel Cody and the First Flight in England

Tabea Tietz
On October 16, 1908, US Wild West showman and early pioneer of manned flight Samuel Cody succeeded with the first officially recorded powered flight in England with a length of 420 metres. Samuel Cody – A Wildwest Showman Samuel Cody was born Samuel Franklin Cowdery in 1867 in Davenport, Iowa, USA and attended school until he was probably 12. Not much is known about the early life of Cody, but he later…
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biology
Seymour Benzer and his Experiments in Behavioural Genetics

Seymour Benzer and his Experiments in Behavioural Genetics

Tabea Tietz
On October 15, 1921, American physicist, molecular biologist and behavioral geneticist Seymour Benzer was born. Benzer is known for having developed a method for determining the detailed structure of viral genes. He coined the term cistron (1957) to denote functional subunits of genes. He also did much to elucidate the nature of genetic anomalies, called nonsense mutations, in terms of the nucleotide sequence of DNA, deoxyribonucleic acid. Seymor Benzer – Early Years Seymour…
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engineering
Elmer Sperry and the Invention of the Gyrocompass

Elmer Sperry and the Invention of the Gyrocompass

Tabea Tietz
On October 12, 1860, American inventor and entrepreneur Elmer Ambrose Sperry was born. Sperry is best known for his significant role in the development of the gyrocompass, a type of non-magnetic compass which is based on a fast-spinning disc and rotation of the Earth to automatically find geographical direction. Elmer Sperry – Early Years Elmer Sperry was born at Cincinnatus, New York, on October 12, 1860, to Stephen Decatur Sperry and Mary Burst. His mother…
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mathematics
Lewis Fry Richardson and the accurate Weather Forecast

Lewis Fry Richardson and the accurate Weather Forecast

Tabea Tietz
On October 11, 1811, English mathematician, physicist, meteorologist, psychologist and pacifist Lewis Fry Richardsen was born. Richardson pioneered modern mathematical techniques of weather forecasting, and the application of similar techniques to studying the causes of wars and how to prevent them. He is also noted for his pioneering work concerning fractals and a method for solving a system of linear equations known as modified Richardson iteration. Lewis Fry Richardson – Early Years Lewis Fry Richardson…
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astronomy
Ejnar Hertzsprung and the Hertzsprung-Russell Diagram

Ejnar Hertzsprung and the Hertzsprung-Russell Diagram

Tabea Tietz
On October 8, 1873, Danish chemist and astronomer Ejnar Hertzsprung was born. Together with Henry Norris Russell, Hertzsprung developed the Hertzsprung–Russell diagram, a scatter graph of stars showing the relationship between the stars‘ absolute magnitudes or luminosities versus their spectral classifications or effective temperatures, which has become fundamental to the study of stellar evolution. Ejnar Hertzsprung – Early Years Ejnar Hertzsprung was probably not formally educated, but studied in technological colleges in Denmark…
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art
Jacopo Peri and the Birth of Early Opera

Jacopo Peri and the Birth of Early Opera

Tabea Tietz
On October 6, 1600, Jacopo Peri‘s opera Euridice was performed for the first time, being created for the marriage of King Henry IV of France and Maria de Medici. The composition is typically considered to be the second work of modern opera, and the first such musical drama to survive to the present day. “To hear him sing his works composed with excellent skill… induced every heart of stone to tears.” –…
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explorer
William Scoresby and the Scientific Study of the Arctic

William Scoresby and the Scientific Study of the Arctic

Tabea Tietz
On October 5, 1789, English Arctic explorer, scientist and clergyman William Scoresby was born. Scoresby pioneered in the scientific study of the Arctic and contributed to the knowledge of terrestrial magnetism. “Though a Greenland voyage is perhaps one of the most arduous of all maritime adventures, the mind of the commander of a whale-ship being very rarely free from anxiety ; yet, like all other occupations at sea, it affords occasional intervals of…
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geology
Baron Gerard de Geer and the Varves

Baron Gerard de Geer and the Varves

Tabea Tietz
On October 2, 1858, Swedish geologist Gerard Jacob De Geer was born. De Geer made significant contributions to Quaternary geology, particularly geomorphology and geochronology. But, he is best known for his discovery of varves. A varve is a seasonal coarse-fine layer of clay deposited in still water.The layers were produced by the annual melt-water sequence and can be used as a chronological evidence. Gerard de Geer – Family Background and Early Years Baron…
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