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medical science
Max von Pettenkofer – the Apostle of Good Water

Max von Pettenkofer – the Apostle of Good Water

Tabea Tietz
On December 3, 1818, Bavarian chemist and hygienist Max Joseph von Pettenkofer was born. In his early career worked on industrial chemical processes and analysis of urine and bile acids, but today he is remembered in connection with his work in practical hygiene, as an apostle of good water, fresh air and proper sewage disposal. He also developed standards for adequate ventilation in schools and hospitals. “From time to time we send our underwear to…
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mathematics
G. H. Hardy and the aesthetics of Mathematics

G. H. Hardy and the aesthetics of Mathematics

Harald Sack
On December 1, 1947, English mathematician G. H. Hardy passed away. Hardy is known for his achievements in number theory and mathematical analysis, but also for his 1940 essay on the aesthetics of mathematics, A Mathematician’s Apology, and for mentoring the brilliant Indian mathematician Srinivasa Ramanujan. “A mathematician … has no material to work with but ideas, and so his patterns are likely to last longer, since ideas wear less with time…
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anthropology
Claude Lévi-Strauss and Structural Anthropology

Claude Lévi-Strauss and Structural Anthropology

Tabea Tietz
On November 28, 1908, French anthropologist and ethnologist Claude Lévi-Strauss was born. Lévi-Strauss’ work was key in the development of the theory of structuralism and structural anthropology. He argued that the “savage” mind had the same structures as the “civilized” mind and that human characteristics are the same everywhere. “The entire village left the next day in about thirty canoes, leaving us alone with the women and children in the abandoned houses.…
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chemistry
Charles-Adolphe Wurtz and the Atomic Theory

Charles-Adolphe Wurtz and the Atomic Theory

Harald Sack
On November 26, 1817, Alsatian French chemist and educator Charles-Adolphe Wurtz was born. Wurtz is best remembered for his decades-long advocacy for the atomic theory and for ideas about the structures of chemical compounds, against the skeptical opinions of chemists such as Marcellin Berthelot and Etienne Henri Sainte-Claire Deville. He is well known by organic chemists for the Wurtz reaction, to form carbon-carbon bonds by reacting alkyl halides with sodium, and for…
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engineering
George Ferris and the Invention of the Ferris Wheel

George Ferris and the Invention of the Ferris Wheel

Tabea Tietz
On November 22, 1898, American engineer George Ferris passed away. He is mostly known for creating the original Ferris Wheel for the 1893 Chicago World’s Columbian Exposition, created to rival the Eiffel Tower. George Ferris – Early Years George Ferris was born in Carson City, Nevada, USA. His parents were George Washington Gale Ferris Sr. and Martha Edgerton Hyde Ferris. He had four sisters and two brothers. His grandfather Silvanus Ferris and Reverend George W.…
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medical science
Xavier Bichat – the Father of Histology

Xavier Bichat – the Father of Histology

Tabea Tietz
On November 14, 1771, French anatomist and pathologist Marie François Xavier Bichat was born. Bichat is known as the father of histology. Although working without the microscope, Bichat distinguished 21 types of elementary tissues from which the organs of human body are composed. “Life is that group of functions which resist death.” – Marie François Xavier Bichat Francois Xavier Bichat – Youth and Education François Xavier Bichat was born the son of the doctor…
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engineering
Alexandre Darracq – An Automotive Pioneer who Didn’t Like to Drive

Alexandre Darracq – An Automotive Pioneer who Didn’t Like to Drive

Harald Sack
On November 10, 1855, French investor, engineer, cycle manufacturer and automobile manufacturer Alexandre Darracq was born. By 1904, Darracq was producing more than ten percent of all automobiles in France. Producing 1600 vehicles, he was even the most successful car manufacturer in the world. Alexandre Darracq – From Sewing Machines to Automobiles Born Pierre Alexandre Darracq in Bordeaux, France, of Basque parents, he trained as a draftsman at the Arsenal in Tarbes,…
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physics
Donald Kerst and the Betatron

Donald Kerst and the Betatron

Tabea Tietz
On November 1, 1911, American physicist Donald William Kerst was born. Kerst worked on advanced particle accelerator concepts (accelerator physics) and plasma physics. He is most notable for his development of the betatron, a novel type of particle accelerator used to accelerate electrons. Donald Kerst – Early Years Donald Kerst was born in Galena, Illinois, U.S., the son of Herman Samuel Kerst and Lillian E Wetz. He studied at the University of Wisconsin, earning…
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explorer
Around the World with the Amazing Ida Pfeiffer – the First Female Tourist

Around the World with the Amazing Ida Pfeiffer – the First Female Tourist

Tabea Tietz
On October 28, 1858, Austrian traveler and travel book author Ida Laura Pfeiffer passed away. Pfeiffer was one of the first female explorers, whose popular books were translated into seven languages. On her voyages, she travelled more than 240.000 km by sea and 32.000 km on land over four continents. During her travels Ida Pfeiffer collected plants, insects, mollusks, marine life and mineral specimens. The Childhood of a Future Explorer Ida Pfeiffer was…
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archeology
The Discovery of the Mauer 1 Mandible

The Discovery of the Mauer 1 Mandible

Tabea Tietz
On October 21, 1907 the worker Daniel Hartmann unearthed a mandibular in a sand mine in the Grafenrain Open field system of the Mauer community. The so-called Mauer 1 mandible is the oldest fossilized specimen of the genus Homo ever to be discovered in Germany. The Mauer 1 mandible is the type specimen of the species Homo heidelbergensis, a subspecies of Homo erectus. In Search for Traces of Mankind In 1907, Daniel…
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