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mathematics
Benoît Mandelbrot and the Beauty of Mathematics

Benoît Mandelbrot and the Beauty of Mathematics

Harald Sack
On November 20, 1924, French American mathematician Benoît B. Mandelbrot was born. Mandelbrot worked on a wide range of mathematical problems, including mathematical physics and quantitative finance, but is best known as the popularizer of fractal geometry. He was the one who coined the term ‘fractal’ and described the Mandelbrot set named after him. “Clouds are not spheres, mountains are not cones, coastlines are not circles, and bark is not smooth, nor does…
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mathematics
What’s your Erdös Number? – The bustling Life of Mathematician Paul Erdös

What’s your Erdös Number? – The bustling Life of Mathematician Paul Erdös

Harald Sack
On September 20, 1996, Hungarian mathematician Paul Erdös passed away. He published more scientific papers than any other mathematician in history, with hundreds of collaborators. Thus, he even created a ‘small world’ of its own, the famous club of people that posess an ‘Erdös Number‘. BTW, my Erdös number is 3, i.e. I have published a paper together with a co-author whose Erdös number is 2. In this little game of numbers,…
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mathematics
How to Calculate Fortune – Jakob Bernoulli

How to Calculate Fortune – Jakob Bernoulli

Harald Sack
On August 16, 1705, Swiss mathematician Jakob Bernoulli passed away. The Swiss Bernoulli family is well known for their many offsprings who gained prominent merits in mathematics and physics in the 18th century. Jakob Bernoulli, born in 1654 (or 1655 according to the new Gregorian calendar), is best known for his work Ars Conjectandi (The Art of Conjecture). In this work, published 8 years after his death in 1713 by his nephew Nicholas,…
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explorer
On the Road with Alexander von Humboldt

On the Road with Alexander von Humboldt

Harald Sack
On August 3, 1804 geographer, naturalist, and explorer Alexander von Humboldt returned home from his great South America scientific discovery journey. “I am more and more convinced that our happiness or unhappiness depends more on the way we meet the events of life than on the nature of those events themselves”. – Alexander von Humboldt Aimé Bonpland and Daniel Kehlmann Actually, Humboldt did not make this journey all alone. He had a…
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mathematics
The time you enjoy wasting is not wasted time – Bertrand Russell, Logician and Pacifist

The time you enjoy wasting is not wasted time – Bertrand Russell, Logician and Pacifist

Harald Sack
On July 11, 1906, mathematician and philosopher Bertrand Russell was suspended from Trinity College, Cambridge due to his engagement in pacifist activities. The remarkable Bertrand Russell, a philosopher, logician, mathematician, historian, and social critic was best known for the famous ‘Principia Mathematica‘, which he published along with Alfred North Whitehead between 1910 and 1913. “Pure mathematics consists entirely of assertions to the effect that, if such and such a proposition is true of…
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architecture
Audacity and Singularity in Design – Antoni Gaudi

Audacity and Singularity in Design – Antoni Gaudi

Harald Sack
If you are going to Barcelona, Spain, it is rather unlikely that you will leave without having visited one of the fascinating architectural creations of famous architect and designer Antoni Gaudí, the frontfigure of the so-called Catalan Modernism, who was born on June 25, 1852. Architecture, nature, religion, and the love to his home country Catalonia were the driving forces of Gaudí‘s work. His work transcended mainstream Modernisme, culminating in an organic style inspired by…
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history
It is not Certain that Everything is Uncertain – Blaise Pascal’s Thoughts

It is not Certain that Everything is Uncertain – Blaise Pascal’s Thoughts

Harald Sack
On June 19, 1623, French mathematician, physicist, inventor, writer and Catholic theologian Blaise Pascal was born. “A few rules include all that is necessary for the perfection of the definitions, the axioms, and the demonstrations, and consequently of the entire method of the geometrical proofs of the art of persuading.” – Blaise Pascal, The Art of Persuasion (1660) The Son of a Tax Collector “It is not certain that everything is uncertain.”…
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computer science
Ivan Sutherland – Well, I Didn’t Know it was Hard

Ivan Sutherland – Well, I Didn’t Know it was Hard

Harald Sack
On May 16, 1938, American computer scientist and internet pioneer Ivan Sutherland was born.  Sutherland has received the Turing Award from the Association for Computing Machinery in 1988 for his invention of Sketchpad, an early predecessor to the sort of graphical user interface that has become ubiquitous in personal computers today. Sketchpad could accept constraints and specified relationships among segments and arcs, including the diameter of arcs. It could draw both horizontal and vertical lines and…
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astronomy
And Kepler Has His Own Opera – Kepler’s 3rd Planetary Law

And Kepler Has His Own Opera – Kepler’s 3rd Planetary Law

Harald Sack
On May 15, 1618, famous astronomer Johannes Kepler discovered the 3rd and also last of his planetary laws, and concluded the general revolution of our celestial world that started with Nicolaus Copernicus about 100 years earlier.[1] And that made him rather popular as he still is today. Did you know that there is a Kepler crater on the Moon, a Kepler crater on Mars, a Kepler asteroid, a Kepler supernova, of course there…
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art
Georges Braque and the Invention of Cubism

Georges Braque and the Invention of Cubism

Harald Sack
On May 13, 1882, French painter and sculptor Georges Braque was born, who, along with Pablo Picasso, developed the art style known as Cubism, an early-20th-century avant-garde art movement that revolutionized European painting and sculpture. In Cubist artwork, objects are analyzed, broken up and reassembled in an abstracted form—instead of depicting objects from one viewpoint, the artist depicts the subject from a multitude of viewpoints to represent the subject in a greater…
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