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Tabea Tietz

anthropology
Davidson Black and the Discovery of the Peking Man

Davidson Black and the Discovery of the Peking Man

Tabea Tietz
On July 25, 1884, Canadian anatomist and paleoanthropologist Davidson Black was born. Black is best known for his postulation of the existence of a distinct form of early man, Sinanthropus pekinensis, popularly known as Peking man and now Homo erectus pekinensis. Collecting Fossils as a Child It is believed that Davidson Black already enjoyed to collect fossils along the banks of the Don River when he was a child. Further, he probably…
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aviation
Arthur Whitten Brown and the First Transatlantic Flight

Arthur Whitten Brown and the First Transatlantic Flight

Tabea Tietz
On July 23, 1886, Scottish aviator  Sir Arthur Whitten Brown was born. Whitten Brown was the navigator of the first successful non-stop transatlantic flight in in June 1919 together with Sir John Alcock, who piloted the modified First World War Vickers Vimy bomber from St. John’s, Newfoundland, to Clifden, Connemara, County Galway, Ireland. Youth and World War I Arthur Whitten Brown was born in Glasgow, Scotland in 1886 to American parents, and shortly afterwards…
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explorer
Heinrich Harrer and the Eiger North Face

Heinrich Harrer and the Eiger North Face

Tabea Tietz
On July 21, 1938, Austrian mountaineer, sportsman, and geographer Heinrich Harrer together with Andreas Heckmair, Ludwig Vörg, and Fritz Kasparek started ther first successful climb of the famous Eiger north face, which is the biggest north face in the Alps. The north face is considered amongst the most challenging and dangerous ascents in the European alps. A Top Sportsman Heinrich Harrer was born in 1912 in Hüttenberg, Austria-Hungary, in the district of Sankt…
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explorer
Mary Akeley and her Explorations in Africa

Mary Akeley and her Explorations in Africa

Tabea Tietz
On July 19, 1966, American explorer and naturalist Mary Jobe Akeley passed away. Akeley was one of the earliest women explorers in Africa where she and her husband hunted and photographed animals during their natural history studies. She is the author of Carl Akeley’s Africa, published in 1929, Lions, Gorillas and Their Neighbors, published in 1932 and Congo Eden published in 1950. Born in Ohio Mary Jobe Akeley was the youngest daughter of Sarah…
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chemistry
Sir Frederick Abel and the Smokeless Gunpowder

Sir Frederick Abel and the Smokeless Gunpowder

Tabea Tietz
On July 17, 1827, English chemist Sir Frederick Abel was born. Abel was a military explosives specialist, and with the chemist Sir James Dewar, invented cordite in 1889, which is a smokeless gunpowder that was later adopted as the standard explosive of the British army, and proved vital in WWI. Frederick Abel – Early Years Frederick Abel was the son of the German-English musician Johann Leopold Abel and great-grandson of Leopold August…
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space
Mariner 4 and the First Pictures from Mars

Mariner 4 and the First Pictures from Mars

Tabea Tietz
On July 15, 1965, NASA spaceprobe Mariner 4 performed the first successful flyby of the planet Mars, returning the first pictures of the Martian surface. It captured the first images of another planet ever returned from deep space; their depiction of a cratered, seemingly dead world largely changed the view of the scientific community of life on Mars. Failed Trials The two Soviet probes Marsnik 1 and 2 were launched in October 1960…
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art
Alfred Stieglitz and Photography as Art

Alfred Stieglitz and Photography as Art

Tabea Tietz
On July 13, 1946, American photographer and modern art promoter Alfred Stieglitz passed away. Stieglitz was instrumental over his fifty-year career in making photography an accepted art form. In addition to his photography, Stieglitz was known for the New York art galleries that he ran in the early part of the 20th century, where he introduced many avant-garde European artists to the U.S. Sparking the Enthusiasm for Photography Alfred Stieglitz, born in…
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biology
Ludwik Fleck and the Thought Collective

Ludwik Fleck and the Thought Collective

Tabea Tietz
On July 11, 1898, Polish and Israeli physician Ludwik Fleck was born. Fleck did important work in epidemic typhus in Lwów, Poland, with Rudolf Weigl and in the 1930s developed the concepts of the “Denkstil” (“thought style”) and the “Denkkollektiv” (“thought collective”). The concept of the “thought collective” defined by him is important in the philosophy of science and in logology (the “science of science”), helping to explain how scientific ideas change over…
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medical science
Wilhelm His and the Invention of the Microtome

Wilhelm His and the Invention of the Microtome

Tabea Tietz
On July 9, 1831, Swiss anatomist Wilhelm His, Sr. was born. His became known for the invention of the microtome, a tool used to cut extremely thin slices of material (even though others were also credited with the invention). By treating animal flesh with acids and salts to harden it and then slicing it very thinly with the microtome, scientists were able to further research the organization and function of tissues and…
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medical science
Morell Mackenzie and The Fatal Illness Of Frederick The Noble

Morell Mackenzie and The Fatal Illness Of Frederick The Noble

Tabea Tietz
On July 7, 1837, British physician Morell Mackenzie was born. Mackenzie was one of the pioneers of laryngology in the United Kingdom. He is best remembered for his role at the centre of a bitter international controversy over the death of Emperor Frederick III of Germany. In his book, ‘The Fatal Illness Of Frederick The Noble’ (1888), Mackenzie describes his care of laryngeal cancer in the Crown Prince, later Emperor Frederick the Noble.…
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