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Tabea Tietz

zoology
Paul Bartsch Interest in Molluscs

Paul Bartsch Interest in Molluscs

Tabea Tietz
On August 14, 1871, American malacologist and carcinologist Paul Bartsch was born, Bartsch was an authority on molluscs, but had broad interests in natural history including plants and birds. He was named the last of those belonging to the “Descriptive Age of Malacology. Paul Bartsch – Youth and Education Paul Bartsch was born in Tuntschendorf, Silesia, and emigrated with his parents to the U.S.A in 1880, first to Missouri and then to Burlington,…
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biology
The Fruit Breeding of Thomas Andrew Knight

The Fruit Breeding of Thomas Andrew Knight

Tabea Tietz
On August 12, 1759, English horticulturalist and botanist Thomas Andrew Knight was born. Knight initiated the field of fruit breeding, experimental horticulture while also studying plant physiology with botanical experiments. He made studies on the movement of sap in plants, the nature of the cambium, and phototropism in tendrils. To investigate the geotropism of roots and stems, he invented a machine, rotating to simulate gravity with centrifugal force in either horizontal or vertical position. The…
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astronomy
Abu Ma’shar – the Greatest Astronomer of Baghdad

Abu Ma’shar – the Greatest Astronomer of Baghdad

Tabea Tietz
Dear reader, we’ve realized that our daily blog on History of Science somehow is focussed on the Western view of history and the World. Of course it’s because we ourselves are part of this Western world of science. Nevertheless, we have also to include scientists and other people important for the history of science, who are not part of this Western canon of science. Today, we begin with the famous Persian astrologer, astronomer, and philosopher Abu Ma’shar al-Balkhi. Probably on August 10, 787, Persian astrologer Abu Ma’shar, Latinized as Albumasar,…
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biology
William Bateson and the Birth of Genetics

William Bateson and the Birth of Genetics

Tabea Tietz
On August 8 1861, English biologist William Bateson was born. Bateson was the first person to use the term genetics to describe the study of heredity, and the chief popularizer of the ideas of Gregor Mendel [7] following their rediscovery in 1900 by Hugo de Vries and Carl Correns. “The concept of evolution as proceeding through the gradual transformation of masses of individuals by the accumulation of impalpable changes is one that the study…
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philosophy
Nicolas Malebranche’s Dualism of Religion and Science

Nicolas Malebranche’s Dualism of Religion and Science

Tabea Tietz
On August 6, 1638, French priest and rationalist philosopher Nicolas Malebranche was born. Malebranche sought to synthesize the thought of St. Augustine and Descartes, in order to demonstrate the active role of God in every aspect of the world. Malebranche is best known for his doctrines of Vision in God, Occasionalism and Ontologism. “I am not my own light unto myself.” – Nicholas Malebranche, Dialogues on Metaphysics (1688) Family Background and Education Malebranche’s father…
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photography
How Richard Leach Maddox revolutionized Photography

How Richard Leach Maddox revolutionized Photography

Tabea Tietz
On August 4, 1816, English photographer and physician Richard Leach Maddox was born. Maddox is best known for his invention lightweight gelatin negative plates for photography in 1871, which enabled photographers to use commercial dry plates off the shelf instead of having to prepare their own emulsions in a mobile darkroom. Also, for the first time, cameras could be made small enough to be hand-held. How to Work with a Microscope In…
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social science
Marianne Weber and the Status of Women in Patriarchal Societies

Marianne Weber and the Status of Women in Patriarchal Societies

Tabea Tietz
On August 2, 1870, Marianne Weber, sociologist, women’s rights activist and wife of sociologist Max Weber was born [4]. Weber is known for her book “Wife and Mother in the Development of Law“, where she compiled the legal, economic, and social status of women from antiquity until her present time. The Daughter of a Country Doctor Marianne Weber was born as Marianne Schnitger, the daughter of the country doctor Eduard Schnitger and his…
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engineering
John Ericsson – Inventions in the Age of Steam Power

John Ericsson – Inventions in the Age of Steam Power

Tabea Tietz
On July 31, 1803, Swedish-American inventor John Ericsson was born. Ericsson is regarded as one of the most influential mechanical engineers ever. Ericsson collaborated on the design of the steam locomotive Novelty, which competed in the Rainhill Trials on the Liverpool and Manchester Railway, won by George Stephenson‘s Rocket.[4] In America he designed the US Navy’s first screw-propelled steam-frigate USS Princeton, in partnership with Captain Robert Stockton as well as the first…
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medical science
John Caius and the English Sweating Sickness

John Caius and the English Sweating Sickness

Tabea Tietz
On July 29, 1573, English physician John Caius passed away. Caius was one of the founders of the present Gonville and Caius College, Cambridge. His classic account of the English sweating sickness is considered one of the earliest histories of an epidemic. Studying under Montanus and Vesalius John Caius was born in Norwich and was educated at Norwich School. John Caius attended Gonville Hall, Cambridge, where he seems to have mainly studied divinity. After graduating Magister…
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engineering
The Citroën 2CV – A Car like no Other

The Citroën 2CV – A Car like no Other

Tabea Tietz
On July 27, 1990, the very last Citroën 2CV rolled off the Portuguese production line in Mangualde. From 1948 to 1990 more than 3.8 million of the air-cooled front-engine, front-wheel-drive economy car were produced. Michelin and Citroën During the 1930s, Michelin took over the Citroën company and the new management ordered a new market survey. It was found that France had a large rural population not able to afford cars. Therefore, a design for…
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