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Harald Sack

computer science
How Dan Bricklin created VisiCalc, the first Spreadsheet Software

How Dan Bricklin created VisiCalc, the first Spreadsheet Software

Harald Sack
On July 16, 1951, computer scientist Dan Bricklin was born. Together with Bob Frankston he created VisiCalc, the first spreadsheet computer program (1979) which created a market beyond hobbyists for the emerging personal computers. Today, everybody knows spreadsheet programs, no matter if you choose a desktop application or a web based application, spreadsheets are everywhere. And sometimes, we don’t have any idea, how we could possibly get along without them. Spreadsheets So,…
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cinematography
Ingmar Bergman – the Best Film Director of all Times

Ingmar Bergman – the Best Film Director of all Times

Harald Sack
On July 14, 1918, Swedish director, writer, and producer Ernst Ingmar Bergman was born. Since he often worked on theatre and film almost parallel in his development, both the stage and the film were reciprocally impulse generators for the respective other medium. In 1997, Bergman was honoured at the Cannes Film Festival as “Best Film Director of All Times”. “When we experience a film, we consciously prime ourselves for illusion. Putting aside…
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art
Pablo Picasso’s Guernica

Pablo Picasso’s Guernica

Harald Sack
On July 12, 1937, Pablo Picasso presents his famous painting Guernica for the very first time at the Spanish Pavilion at the Paris International Exposition. It was created in response to the bombing of Guernica, a Basque Country village in northern Spain, by German and Italian warplanes at the behest of the Spanish Nationalist forces on 26 April 1937 during the Spanish Civil War. Guernica has become one of today’s most famous…
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physics
Samuel Goudsmit and the Electron Spin

Samuel Goudsmit and the Electron Spin

Harald Sack
On July 11, 1902, Dutch-born U.S. physicist Samuel Abraham Goudsmit was born. He is best known for the formulation of the concept of electron spin together with George Eugene Uhlenbeck. It led to recognition that spin was a property of protons, neutrons, and most elementary particles and to a fundamental change in the mathematical structure of quantum mechanics. “I did all the problems a little different from the rest of the class.” –…
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art
Camille Pissarro and the Impressionistic Art Movement

Camille Pissarro and the Impressionistic Art Movement

Harald Sack
On July 10, 1830, Danish–French Impressionist and Neo-Impressionist painter Camille Pissarro was born. His importance resides in his contributions to both Impressionism and Post-Impressionism. He acted as a father figure not only to the Impressionists but to all four of the major Post-Impressionists, including Georges Seurat, Paul Cézanne,[6] Vincent van Gogh [5] and Paul Gauguin.[4] “I am settled in France, and as for the rest of my history as a painter, it is bound…
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physics
Lion Feuchtwanger and his Ardous Path of Knowledge

Lion Feuchtwanger and his Ardous Path of Knowledge

Harald Sack
On July 7, 1884, German-Jewish novelist and playwright Lion Feuchtwanger was born. A prominent figure in the literary world of Weimar Germany, he is best known today for his novel Jud Süß and is considered one of the most widely read German-language authors of the 20th century, whose work influenced contemporary playwrights such as Bertolt Brecht.[1] “Thoughts about what you should have done and what you shouldn’t have done, they lead nowhere.” …
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biology
Rudolf Albert von Kölliker and the Origins of Embriology

Rudolf Albert von Kölliker and the Origins of Embriology

Harald Sack
On July 6, 1817, Swiss anatomist and physiologist Rudolf Albert von Kölliker was born. He was one of the founders of embryology. His thorough microscopic work on tissues enabled him to be among the first to identify their structure. He showed that they were made up of cells, that did not freely come into being, but must develop from existing cells. Background Rudolph Albert Kölliker Rudolph Albert Kölliker was born in Zurich, Switzerland. His early…
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engineering
Rube Goldberg’s complicated Machines

Rube Goldberg’s complicated Machines

Harald Sack
On July 4, 1883, American cartoonist, sculptor, author, engineer and inventor Reuben Garrett Lucius “Rube” Goldberg was born. He is best known for a series of popular cartoons depicting complicated gadgets that perform simple tasks in indirect, convoluted ways. Goldberg received many honors in his lifetime, including a Pulitzer Prize for his political cartooning in 1948. From the Sewer Department to a Newspaper Reuben Lucius Goldberg was born July 4, 1883, in San…
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engineering
The Russian Dream to Land a Man on the Moon

The Russian Dream to Land a Man on the Moon

Harald Sack
On July 3, 1969, the biggest explosion in the history of rocketry occurred when the Soviet N-1 rocket exploded and subsequently destroyed its launchpad. After four unsuccessful launch tries of the Soviet counterpart to the NASA Saturn V rocket the Russian Moon program was cancelled in May 1974. Sergei Korolev Sergei Pavlovich Korolev,[8] the leading Soviet space craft designer and rocket engineer, also known as the father of practical astronautics started directing…
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biology
Rembert Dodoens and the Love for Botanical Science

Rembert Dodoens and the Love for Botanical Science

Harald Sack
On June 29, 1516, Flemish physician and botanist Rembert Dodoens (Dodonaeus) was born. His seminal work Stirpium historiae pemptades sex sive libri XXX (1583) is considered one of the foremost botanical works of the late 16th century. He divided plants into 26 groups and introduced many new families. Rembert Dodoens Background Rembert Dodoens was born under the name Rembert Van Joenckema in Mechelen, Spanish Netherlands, today Flanders, Belgium. Later, he changed it…
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