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Harald Sack

mathematics
William Hamilton and the Invention of Quaterions

William Hamilton and the Invention of Quaterions

Harald Sack
On August 4, 1805, Irish physicist, astronomer, and mathematician William Rowan Hamilton was born. He made important contributions to classical mechanics, optics, and algebra, but is perhaps best known as the inventor of quaternions, a number system that extends the complex numbers. ‘This young man, I do not say will be, but is, the first mathematician of his age.’ (Astronomer Bishop Dr. John Brinkley about 18-year-old Hamilton) At Age 13 Hamilton spoke…
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communication
Timing is Everything – Elisha Gray and the Telephone Patent

Timing is Everything – Elisha Gray and the Telephone Patent

Harald Sack
On August 2, 1835, American electrical engineer Elisha Gray was born. Gray is best known for his development of a telephone prototype in 1876 and is considered by some to be the true inventor of the variable resistance telephone, despite losing out to Alexander Graham Bell for the telephone patent. But besides the telephone, Gray was a successful and prolific inventor. He is also considered to be the father of the modern…
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literature
J.K. Rowling and the Harry Potter Phenomenon

J.K. Rowling and the Harry Potter Phenomenon

Harald Sack
It is the best selling book series ever in history. A fantastic story stretching over seven books of a boy, growing up in between the two worlds of ordinary people – the muggles – and the wizards and witches. It’s about the old story of fighting of good against evil. And as the books sold over 400 million copies world wide, almost nobody could escape the news and the story behind the…
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art
Giorgio Vasari and his Foundations of Art-Historical Writing

Giorgio Vasari and his Foundations of Art-Historical Writing

Harald Sack
On July 30, 1511, Italian Renaissance painter, architect, writer and historian Giorgio Vasari was born. He is best known today for his Lives of the Most Eminent Painters, Sculptors, and Architects, considered the ideological foundation of art-historical writing. One of the Lesser Known Renaissance Artists From all the great Renaissance artist, Giorgio Vasari might be one of the lesser known. The reason for this might be that although an artist of considerable…
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art
Marcel Duchamp’s Readymades – The Birth of Conceptual Art

Marcel Duchamp’s Readymades – The Birth of Conceptual Art

Harald Sack
On July 28, 1887, French-American painter, sculptor and writer Marcel Duchamp was born. He is commonly regarded, along with Pablo Picasso and Henri Matisse, as one of the artists responsible for significant developments in painting and sculpture. Moreover, Duchamp is considered by many to be one of the most important artists of the 20th century. “I have forced myself to contradict myself in order to avoid conforming to my own tastes.” (Marcel…
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mathematics
Every Set can be Well Ordered – Ernst Zermelo

Every Set can be Well Ordered – Ernst Zermelo

Harald Sack
On July 27, 1871, German logician and mathematician Ernst Zermelo was born. Zermelo’s work had major implications for the foundations of mathematics. He is known for his role in developing Zermelo–Fraenkel axiomatic set theory and his proof of the well-ordering theorem. “…self-evidence … must not be confused with … provability.” – Ernst Zermelo The Son of a Grammar School Professor Zermelo was the son of a grammar school professor and attended the…
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art
Breaking New Grounds in Cinematography – Stanley Kubrick

Breaking New Grounds in Cinematography – Stanley Kubrick

Harald Sack
On July 26, 1928, American film director, screenwriter, producer, cinematographer, and editor Stanley Kubrick was born. He is regarded as one of the greatest filmmakers of all time. His films, typically adaptations of novels or short stories, are noted for their unique cinematography, attention to details to achieve realism and an inspired use of music scores. Clockwork Orange, 2001, Full Metal Jacket, Lolita, The Shining, ‘I’m Spartacus’ or Dr. Strangelove – they all…
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aviation
Louis Blèriot’s famous Flight across the English Channel

Louis Blèriot’s famous Flight across the English Channel

Harald Sack
On July 25, 1909, French aviation pioneer Louis Blériot successfully crossed the English Channel from Calais to Dover Castle in a heavier than air aircraft. Louis Bleriot – Military Service and Inventions Louis Bleriot was born on July 1, 1872, in Cambrai, France, as the first of five children to Clémence and Charles Blériot. In 1882, Blériot was sent as a boarder to the Institut Notre Dame in Cambrai. By the age of…
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history
Adventure Time with Alexandre Dumas

Adventure Time with Alexandre Dumas

Harald Sack
On July 24, 1802, French writer Alexandre Dumas, also known as Alexandre Dumas, père, was born. He is best known for his historical novels of high adventure. Translated into nearly 100 languages, these have made him one of the most widely read French authors in history. The Master of the Musketeers Alexandre Dumas’ novels have all become popular icons. Think of his ‘Three Musketeers‘, I really don’t know how many versions I saw…
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computer science
It’s a computer! – The fabulous Commodore Amiga

It’s a computer! – The fabulous Commodore Amiga

Harald Sack
In 1985 Commodore revolutionized the home computer market by introducing the high end Commodore Amiga with a graphic power that was unheard of by that time in this market segment. Based on the Motorola 68000 microprocessor series the Amiga was most successful as a home computer, with a wide range of games and creative software, although early Commodore advertisements attempted to cast the computer as an all-purpose business machine. In addition, it was  also…
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