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Harald Sack

chemistry
Herbert Henry Dow – Chemist and Industrialist

Herbert Henry Dow – Chemist and Industrialist

Harald Sack
On February 26, 1866, American chemical industrialist Herbert Henry Dow was born. Dow best known as the founder of the American multinational conglomerate Dow Chemical. He also was a prolific inventor of chemical processes, compounds, and products, and was a successful businessman. Herbert Henry Dow – Early Years Herbert Henry Dow was born in Belleville, Ontario, Canada, the eldest child of Americans Joseph Henry Dow, an inventor and mechanical engineer, and his…
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mathematics
Francois Viète and the Foundations of Algebra

Francois Viète and the Foundations of Algebra

Harald Sack
On February 23, 1603, French mathematician François Viète passed away. Viète‘s work on a  algebra was an important step towards modern algebra, due to its innovative use of letters as parameters in equations. He was a lawyer by trade, and served as a privy councillor to both Henry III and Henry IV. Francois Viète – Early Years Vieta was born at Fontenay-le-Comte, in western France about 50 km east of the coastal town of…
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biology
René Dubos and the Discovery of Antibiotics

René Dubos and the Discovery of Antibiotics

Harald Sack
On February 20, 1901, French-born American microbiologist, experimental pathologist, environmentalist, humanist, and winner of the Pulitzer Prize René Jules Dubos was born. Dubos is credited for having made famous Jacques Ellul‘s environmental maxim, “Think globally, act locally” (penser global, agir local). In Research, he is best known for his pioneer work in isolating antibacterial substances from certain soil microorganisms and the discovery of major antibiotic. Becoming a Microbiologist Dubos was born in…
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literature
Georg Büchner – Forerunner of Naturalism and Expressionism

Georg Büchner – Forerunner of Naturalism and Expressionism

Harald Sack
On February 19, 1837, German dramatist, revolutionary, natural scientist, and writer Georg Büchner passed away at age 23. His literary achievements, though few in number, are generally held in great esteem in Germany and it is widely believed that, had it not been for his early death, he might have joined such central German literary figures as Johann Wolfgang von Goethe [5] and Friedrich Schiller [6] at the summit of their profession. I admit, I…
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medical science
Willem Johan Kolff and Artificial Organs

Willem Johan Kolff and Artificial Organs

Harald Sack
On February 14, 1911, Dutch-American physician and biomedical engineer Willem Johan Kolff was born. Kolff is considered to be the Father of Artificial Organs, and is regarded as one of the most important physicians of the 20th century. He made his major discoveries in the field of dialysis for kidney failure during the Second World War. Education and first Research Willem Johan Kolff was born in Leiden, Netherlands, as the eldest of…
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literature
Else Lasker-Schüler – Expressionism and Literary Exile

Else Lasker-Schüler – Expressionism and Literary Exile

Harald Sack
On February 11, 1869, German poet Else Lasker-Schüler was born. She is considered an outstanding representative of avant-garde modernism and expressionism in literature. In addition to her work as a writer, she drew. “Ein alter Tibetteppich” Deine Seele, die die meine liebet, Ist verwirkt mit ihr im Teppichtibet. Strahl in Strahl, verliebte Farben, Sterne, die sich himmellang umwarben. Unsere Füße ruhen auf der Kostbarkeit, Maschentausendabertausendweit. Süßer Lamasohn auf Moschuspflanzenthron, Wie lange küßt…
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mathematics
Richard Brauer and the Theory of Algebra

Richard Brauer and the Theory of Algebra

Harald Sack
On February 10, 1901, German and American mathematician Richard Dagobert Brauer was born. Brauer worked mainly in abstract algebra, but made important contributions to number theory. He was the founder of modular representation theory. Richard Brauer – Early Years Richard Brauer was born in Charlottenburg, a district of Berlin, Germany, which was not incorporated into the city until 1920, to Max Brauer, a well-off businessman in the wholesale leather trade, and his wife…
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physics
Daniel Bernoulli and the Bernoulli Principle

Daniel Bernoulli and the Bernoulli Principle

Harald Sack
On February 8, 1700, (January 29, according to the then valid Julian calendar), Swiss mathematician and physicist Daniel Bernoulli was born. Being one of the many prominent mathematicians in the Bernoulli family, Daniel Bernoulli is particularly remembered for his applications of mathematics to mechanics, especially fluid mechanics, and for his pioneering work in probability and statistics. His name is commemorated in the Bernoulli principle, a particular example of the conservation of energy,…
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history
Girolamo Savonarola’s Bonfire of Vanities

Girolamo Savonarola’s Bonfire of Vanities

Harald Sack
On February 7, 1497, Florentine followers of Dominican priest Girolamo Savonarola burned a bonfire of vanities. Supporters of Savonarola collected and publicly burned thousands of objects such as cosmetics, art, and books in Florence, Italy, on the Mardi Gras festival. Other targets included books that were deemed to be immoral, such as works by Boccaccio, and manuscripts of secular songs, as well as artworks, including paintings of Sandro Botticelli. “The Pope may…
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mathematics
Giambattista della Porta – Natural Magic and the Academy of Secrets

Giambattista della Porta – Natural Magic and the Academy of Secrets

Harald Sack
On February 4, 1615, Italian scholar, polymath and playwright Giambattista della Porta passed away. Besides occult philosophy, astrology, alchemy, mathematics, meteorology, and natural philosophy, della Porta worked on cryptography and also on optics. He claimed to be the inventor of the telescope although he does not appear to have constructed one before Galileo [4]. “Having observed the forces of all things natural and celestial and having examined by painstaking investigation the sympathy among…
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