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Harald Sack

The Volkswagen Beetle – It’s Ugly But It Gets You There

The Volkswagen Beetle – It’s Ugly But It Gets You There

On July 30, 2003, the very last Volkswagen Beetle was produced, manufactured in Puebla, Mexico. With 21,529,464 produced from 1938 to 2003, the Beetle is the longest-running and most-manufactured car of a single platform ever made. Currently, German automobile industry and especially Volkswagen worldwide is in the focus of public attention due to manipulations of the emission control system on their Diesel cars. Potentially, the famous Volkswagen Beetle had produced…
Charles H. Townes and the Maser

Charles H. Townes and the Maser

On July 28, 1915, American physicist and Nobel Laureate Charles Hard Townes was born. Townes was known for his work concerning the theory and application of the maser, for which he obtained the fundamental patent, and other work in quantum electronics associated with both maser and laser devices. Charls H. Townes was born in Greenville, South Carolina, the son of Henry Keith Townes, an attorney, and Ellen Sumter Townes. As…
Paul Walden and the Walden Inversion

Paul Walden and the Walden Inversion

On July 26, 1863, Russian and Latvian-German chemist Paul Walden was born. Walden is known for his work in stereochemistry and history of chemistry. In particular he invented the stereochemical reaction known as Walden inversion and synthesized the first room-temperature ionic liquid, ethylammonium nitrate. Paul Walden was born in Rozula in present-day Stalbe parish, Pārgauja municipality, Latvia as the youngest of 13 children in a peasant family. Already at the…
The Decorative Art of Alphonse Mucha

The Decorative Art of Alphonse Mucha

On July 24, 1860, Czech Art Nouveau painter and decorative artist Alphonse Mucha was born. Mucha is known best for his distinct style. He produced many paintings, illustrations, advertisements, postcards, and designs. So many, that for sure you will know one of his designs that have become an Art Nouveau icon. Alphonse Maria Mucha was born in the town of Ivančice, Moravia, the son of a local court usher and…
Gaspard de Prony and the Prony Brake

Gaspard de Prony and the Prony Brake

On July 22, 1755, French mathematician and hydraulic engineer Gaspard Clair François Marie Riche de Prony was born. De Prony is best known for his efforts in the mechanization of calculations as well as for his invention of the eponymous “brake” to measure the performance of machines and engines. Gaspard de Prony’s family name was Riche, the de Prony title having been bought by his parents. De Prony was educated…
Sir Edmund Hillary – Mountaineer, Explorer and Philanthropist

Sir Edmund Hillary – Mountaineer, Explorer and Philanthropist

On July 20, 1919, New Zealand mountaineer, explorer, and philanthropist Sir Edmund Percival “Ed” Hillary was born. Hillary and Nepalese Sherpa mountaineer Tenzing Norgay became the first climbers confirmed to have reached the summit of Mount Everest. As part of the Commonwealth Trans-Antarctic Expedition he reached the South Pole overland in 1958. He subsequently reached the North Pole, making him the first person to reach both poles and summit Everest.…
John Glenn – The First American to orbit the Earth

John Glenn – The First American to orbit the Earth

On July 18, 1921, U.S. astronaut and statesman John Herschel Glenn Jr. was born. In 1962 Glenn was the first American to orbit the Earth, circling it three times. Before joining NASA, Glenn was a distinguished fighter pilot in World War II and Korea. In 1998, still a sitting senator, Glenn was the oldest person to fly in space as a crew member of the Discovery space shuttle and the…
Joseph Goldberger’s Fight against Pellagra

Joseph Goldberger’s Fight against Pellagra

On July 16, 1874, American physician and epidemiologist Joseph Goldberger was born. Goldberger was an advocate for scientific and social recognition of the links between poverty and disease. Due to his important work on the link between pellagra and poor diet, he was nominated five times for the Nobel Prize. Joseph Goldberger was born in Girált, Sáros County, Kingdom of Hungary in a Jewish family, as the youngest of six…
Jay Wright Forrester and System Dynamics

Jay Wright Forrester and System Dynamics

On July 14, 1918, pioneering American computer engineer and systems scientist Jay Wright Forrester was born. Forrester is known as the founder of system dynamics, which deals with the simulation of interactions between objects in dynamic systems. He also he supervised the building of the Whirlwind computer at the Massachusetts Institute of Technology, for which he invented the random-access magnetic core memory, the information-storage device employed in most digital computers.…
Albert Calmette and the Antituberculosis Vaccine

Albert Calmette and the Antituberculosis Vaccine

On July 12, 1863, French physician, bacteriologist and immunologist Léon Charles Albert Calmette was born. Calmette discovered the Bacillus Calmette-Guérin, an attenuated form of Mycobacterium bovis used in the BCG vaccine against tuberculosis. He also developed the first antivenom for snake venom, the Calmette‘s serum. Calmette was born in Nice, France. He wanted to serve in the Navy and be a physician, so in 1881 he joined the School of…
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