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mathematics
August Leopold Crelle and his Journal

August Leopold Crelle and his Journal

Harald Sack
On March 11, 1780, German mathematician and civil engineer August Leopold Crelle was born. Crelle is best known for being the founder of Journal für die reine und angewandte Mathematik (also known as Crelle’s Journal). He also worked on the construction and planning of roads and the first railway in Germany, which was completed in 1838. “The real purpose of mathematics is to be the means to illuminate reason and to exercise spiritual…
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chemistry
Jeremias Richter and the Law of Definite Proportions

Jeremias Richter and the Law of Definite Proportions

Harald Sack
On March 10, 1762, German chemist Jeremias Benjamin Richter was born. He discovered the law of definite proportions and is best known for introducing the term stoichiometry, i.e. the calculation of relative quantities of reactants and products in chemical reactions. Youth and Education Jeremias Benjamin Richter was born at Hirschberg in Silesia, today’s Jelenia Góra in Western Poland. He graduated from the Hirschberg Gymnasium, and in 1778 joined the engineering corps of…
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biology
Wilhelm Pfeffer – a Pioneer of Plant Physiology

Wilhelm Pfeffer – a Pioneer of Plant Physiology

Tabea Tietz
On March 9, 1845, German botanist and plant physiologist Wilhelm Pfeffer was born. Pfeffer’s work on osmotic pressure made him a pioneer in the study of plant physiology. With Julius von Sachs, he was a leader in systematizing the fundamentals of plant physiology. Youth and Education Wilhelm Pfeffer was the son of a pharmacist. At first he attended the Kurfürstliche Gymnasium in Kassel, then became an apprentice pharmacist and passed the assistant examination…
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chemistry
Edward C. Kendall and the Adrenal Cortex Hormones

Edward C. Kendall and the Adrenal Cortex Hormones

Harald Sack
On March 8, 1886, American chemist and Nobel laureate Edward Calvin Kendall was born. Kendall shared the Nobel Prize for Physiology or Medicine in 1950 with Philip S. Hench and Tadeus Reichstein for research on the structure and biological effects of adrenal cortex hormones. Kendall did not only focus on the adrenal glands, he was also responsible for the isolation of thyroxine, a hormone of the thyroid gland and worked with the…
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astronomy
John Herschel – a Pioneer in Celestial Photography

John Herschel – a Pioneer in Celestial Photography

Harald Sack
On March 7, 1792, English polymath, mathematician, astronomer, chemist, inventor, and experimental photographer Sir John Herschel was born. Herschel originated the use of the Julian day system in astronomy and named seven moons of Saturn and four moons of Uranus. He made many contributions to the science of photography, and investigated colour blindness and the chemical power of ultraviolet rays. Overall, he advocated an inductive approach to scientific experiment and theory building,…
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art
Michelangelo Buonarotti – the Renaissance Artist

Michelangelo Buonarotti – the Renaissance Artist

Harald Sack
On March 6, 1475, Italian sculptor, painter, architect, and poet of the High Renaissance Michelangelo di Lodovico Buonarroti Simoni was born. Michelangelo exerted an unparalleled influence on the development of Western art. He is considered to be the greatest living artist during his lifetime, he has since been described as one of the greatest artists of all time. Despite making few forays beyond the arts, his versatility in the disciplines he took…
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art
Giovanni Battista Tiepolo and the Grandeur of Rococo

Giovanni Battista Tiepolo and the Grandeur of Rococo

Harald Sack
On March 5, 1696, Italian painter and printmaker Giovanni Battista Tiepolo was born. As an important member of the 18th-century Venetian school, Tiepolo painted in the Rococo style. His work includes depictions of heroic epics, histories, opera scenes, festivals of the gods, and also altars, where he enriched a number of these paintings with putti and cupids. Giovanni Battista Tiepolo – Early Years Giovanni Battista Tiepolo was born in Venice. He was…
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explorer
Henry the Navigator and the Age of Discoveries

Henry the Navigator and the Age of Discoveries

Harald Sack
On March 4, 1394, Infante Henry, Duke of Viseu, better known as Henry the Navigator, was born. He was an important figure in the early days of the Portuguese Empire and the Age of Discoveries in total. He was responsible for the early development of European exploration and maritime trade with other continents. Legend or Historical Fact Henry has become a legendary figure, and it is somewhat difficult to disentangle the historical…
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mathematics
Georg Cantor and the Beauty of Infinity

Georg Cantor and the Beauty of Infinity

Harald Sack
On March 3, 1845, German mathematician Georg Cantor, creator of the set theory was born. Set Theory is considered the fundamental theory of mathematics. He also proved that the real numbers are “more numerous” than the natural numbers, which was quite shocking for his contemporaries that there should be different numbers of infinity. “In mathematics the art of asking questions is more valuable than solving problems.” – Georg Cantor, Doctoral thesis (1867) Youth…
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physics
Edward Condon – Pioneer in Quantum Mechanics – SciHi Blog

Edward Condon – Pioneer in Quantum Mechanics – SciHi Blog

Tabea Tietz
On March 2, 1902, American nuclear physicist Edward Uhler Condon was born. Condon was a pioneer in quantum mechanics and a participant in the development of radar and nuclear weapons during World War II as part of the Manhattan Project. The Franck–Condon principle and the Slater–Condon rules are co-named after him. “I have lost a good deal of sleep trying to figure out how you could have talked this way about a…
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