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Tabea Tietz

chemistry
Carl Wilhelm Scheele and the Discovery of Oxygen

Carl Wilhelm Scheele and the Discovery of Oxygen

Tabea Tietz
On December 19, 1742 (Gregorian Calendar), Swedish Pomeranian pharmaceutical chemist Carl Wilhelm Scheele was born. Scheele is best known for his discovery of oxygen and other chemical elements. Early Years Carl Wilhelm Scheele was born in Stralsund, which was back then under the control of Sweden, but belongs to Germany on this day. During his childhood, friends of the family taught him reading prescriptions and equipped him with further chemical knowledge. At the…
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computer science
Konrad Zuse – The German Inventor of the Computer

Konrad Zuse – The German Inventor of the Computer

Tabea Tietz
On December 18, 1995, German engineer and computer pioneer Konrad Zuse passed away. He is renowned to have constructed the very first functional program-controlled Turing-complete computer,which was freely programmable and provided binary floating point arithmetics: the Z3, which became operational in May 1941. “The belief in a certain idea gives to the researcher the support for his work. Without this belief he would be lost in a sea of doubts and insufficiently…
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explorer
Roald Amundsen’s South Pole Expedition

Roald Amundsen’s South Pole Expedition

Tabea Tietz
On December 14, 1911, Norwegian explorer Roald Amundsen and his expedition were the first to reach the geographic south pole, only five weeks ahead of a British party led by Robert Falcon Scott.[3] Roald Amundsen Background Amundsen was the youngest of four sons of shipowner and captain Jens Ingebrigt Amundsen (1820-1886)[1] and his wife Hanne Henrikke Gustava (née Sahlquist 1837-1893). Already during his childhood, Roald Amundsen was interested in the stories of…
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mathematics
Hypatia – the first Woman in Mathematics

Hypatia – the first Woman in Mathematics

Tabea Tietz
The Neoplatonian philosopher Hypatia of Alexandria, Egypt, was the first well-documented woman in mathematics. Her actual date of birth is unknown, although considered somewhen between 350 and 370 AD. She was the head of the Platonist school at Alexandria and additionally taught philosophy and astronomy. Hypatia’s Early Life There is little news about Hypatia’s life and work. Hypatia’s father was the astronomer and mathematician Theon of Alexandria, the last scientist known by…
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archeology
The Prophet of Modern Archaeology – Joachim Winckelmann

The Prophet of Modern Archaeology – Joachim Winckelmann

Tabea Tietz
On December 9, 1717, German art historian and archaeologist Johann Joachim Winckelmann was born. Winckelmann was one of the founders of scientific archaeology and first applied the categories of style on a large, systematic basis to the history of art. Joachim Winckelmann Background Joachim Winckelmann grew up in a poor family of a master shoemaker, but was highly supported by his blind school teacher, the Rector of the Stendal Latin School, Esaias…
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history
The Myth of the Bermuda Triangle

The Myth of the Bermuda Triangle

Tabea Tietz
On December 5, 1945, the five torpedo bombers of US Navy Flight 19 disappeared on a routine navigation flight over the Bermuda Triangle. Navy investigators could not determine the cause of the loss of Flight 19 and thus, creating the myth of the Bermuda Triangle. Flight 19 “Navigation Problem No. 1” was the last Advanced Combat Aircrew Training out of three, the pilots of Flight 19 had to accomplish in the area…
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medical science
Christiaan Barnard and the First Heart Transplant

Christiaan Barnard and the First Heart Transplant

Tabea Tietz
On December 3, 1967 at the Groote Schuur Hospital in Cape Town South Africa, Christiaan Barnard performed the world‘s first adult heart transplant on Louis Washkansky. Although Norman Shumway is widely regarded as the father of heart transplantation, it was the young South African Christiaan Barnard utilizing the techniques developed and perfected by Norman Shumway and Richard Lower, who performed the world’s first adult human heart transplant. Christiaan Barnard Background Christiaan Barnard…
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medical science
The Human Immunodeficiency Virus and Aids

The Human Immunodeficiency Virus and Aids

Tabea Tietz
On December 1, 1981, the AIDS virus is officially recognized as a disease. Aids is a disease of the human immune system caused by infection with human immunodeficiency virus (HIV). Origins The complete origin of HIV is not really known to researchers on this day. Clear is however, that the human immunodeficiency virus is very similar to the Simian immunodeficiency virus (SIV), a retrovirus that is able to infect over 40 species…
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history
The Royal Society of London for Improving Natural Knowledge

The Royal Society of London for Improving Natural Knowledge

Tabea Tietz
On November 28, 1660, at Gresham College, London, UK, 12 men, including Christopher Wren, Robert Boyle, John Wilkins, and Sir Robert Moray decide to found what is later known as the Royal Society of London for Improving Natural Knowledge, a learned society for science, and possibly the oldest such society still in existence. “Nullius in Verba.” (On no man’s word.) – Motto of the Royal Society It all started with Roger Bacon…
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explorer
Georg Forster – Naturalist and Revolutionary

Georg Forster – Naturalist and Revolutionary

Tabea Tietz
On November 27, 1754, German naturalist, ethnologist, travel writer, journalist, and revolutionary Georg Forster was born. At an early age, he accompanied his father on several scientific expeditions, including James Cook‘s second voyage to the Pacific.[3] His most famous work ‘A Voyage Round the World‘ is considered as the beginning of modern scientific travel literature, which also made him a member of the famous Royal Society. “Poor human race! What abysses have you…
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