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Tabea Tietz

engineering
Harvey Fletcher – the Father of Stereophonic Sound

Harvey Fletcher – the Father of Stereophonic Sound

Tabea Tietz
On September 11, 1884, US-american physicist Harvey Fletcher was born. Considered as the “father of stereophonic sound” he is credited with the invention of hearing aids and is well known for his contributions in acoustics, electrical engineering, speech, medicine, music, atomic physics, sound pictures, and education. Harvey Fletcher – Early Years Harvey Fletcher was raised in Utah in a religious community. He received his early education at he Brigham Young University where…
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biology
Marthe Louise Vogt and the Role of Neurotransmitters in the Human Brain

Marthe Louise Vogt and the Role of Neurotransmitters in the Human Brain

Tabea Tietz
On September 8, 1903, German neuroscientist Marthe Louise Vogt was born. She is considered one of the important neuroscientists of the 20th century and is mainly remembered for her important contributions to the understanding of the role of neurotransmitters in the brain, especially epinephrine. Marthe Louise Vogt – Early Years Marthe Vogt was the older of two daughters of Oskar Vogt and Cécile Vogt, both doctors and brain researchers. In 1903, her…
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physics
Edward Appleton and the Discovery of the Ionosphere

Edward Appleton and the Discovery of the Ionosphere

Tabea Tietz
On September 6, 1892, English physicist Sir Edward Victor Appleton was born. Appleton won the Nobel Prize in Physics in 1947 for his seminal work proving the existence of the ionosphere during experiments carried out in 1924. “I am only a physicist with nothing material to show for my labours. I have never even seen the ionosphere, although I have worked on the subject for thirty years. That does show how lucky people can…
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astronomy
Al-Biruni – Mathematician, Astronomer and Founder of Indology

Al-Biruni – Mathematician, Astronomer and Founder of Indology

Tabea Tietz
On September 4, 973, Muslim scholar Al-Biruni was born. He is regarded as one of the greatest scholars of the medieval Islamic era and was well versed in physics, mathematics, astronomy, and natural sciences, and also distinguished himself as a historian, chronologist and linguist. He is referred to as the founder of Indology for his remarkable description of early 11th-century India. “You well know … for which reason I began searching for a…
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chemistry
Wilhelm Ostwald and the Foundation of Modern Physical Chemistry

Wilhelm Ostwald and the Foundation of Modern Physical Chemistry

Tabea Tietz
On September 2, 1853, Baltic German chemist and Nobel Laureate Wilhelm Ostwald was born. He is credited with being one of the modern founders of the field of physical chemistry and received the 1909 Nobel Prize in Chemistry for his work on catalysis, chemical equilibria and reaction velocities. „Katalyse ist die Beschleunigung eines langsam verlaufenden chemischen Vorgangs durch die Gegenwart eines fremden Stoffes.“ – Wilhelm Oswald, 1894 Wilhelm Ostwald – Early Life…
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medical science
Hermann von Helmholtz – Physiologist and Physicist

Hermann von Helmholtz – Physiologist and Physicist

Tabea Tietz
On August 31, 1821, German physician and physicist Hermann von Helmholtz was born. In physiology and psychology, he is known for his mathematics of the eye, theories of vision, ideas on the visual perception of space, color vision research, and on the sensation of tone, perception of sound, and empiricism. In physics, he is known for his theories on the conservation of energy, work in electrodynamics, chemical thermodynamics, and on a mechanical foundation…
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physics
Johann Wolfgang von Goethe and his Theory of Colours

Johann Wolfgang von Goethe and his Theory of Colours

Tabea Tietz
On August 28, 1749, famous German writer and statesman Johann Wolfgang von Goethe was born. Besides his merits in literature, poetry, and philosophy, that we already did acknowledge in previous articles [4,5,9], Goethe was also interested in natural sciences. He independently discovered the human intermaxillary bone in 1784, was one of the many precursors in the history of evolutionary thought, popularized the Goethe barometer using a principle established by Torricelli, and published his Theory of…
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art
Man Ray and The Dadaistic Art of Photography

Man Ray and The Dadaistic Art of Photography

Tabea Tietz
On August 27, 1890, American modernist artist and photographer Emmanuel Radnitzky was born, better known as Man Ray. A significant contributor to the Dadaist and Surrealist movement, Man Ray produced major works in a variety of media but considered himself a painter above all. He was best known for his photography, and he was a renowned fashion and portrait photographer. “I have been accused of being a joker. But the most successful…
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politics
Elizabeth Montagu and the Famous Bluestocking Society

Elizabeth Montagu and the Famous Bluestocking Society

Tabea Tietz
On August 25, 1800, British social reformer, patron of the arts, salonist, literary critic, and writer Elizabeth Montagu passed away. She was one of the wealthiest women of her era and one of the founders of the Bluestocking Society, an informal women’s social and educational movement in England in the mid-18th century. “I never invite idiots into my house.” – Elizabeth Montagu Elizabeth Robinson – Early Years Elizabeth Robinson was born as…
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explorer
How James Weddell Discovered the Weddell Sea in the Southern Ocean

How James Weddell Discovered the Weddell Sea in the Southern Ocean

Tabea Tietz
On August 24 1787, British sailor, navigator and seal hunter James Weddell was born. He sailed into a region of the Southern Ocean that later became known as the Weddell Sea. Also the Weddell seal was discovered and named in the 1820s during expeditions led by James Weddell. James Weddell – Early Life Not much is known about James Weddell’s early life. He was the son of a Scottish upholsterer who came from Dalserf and…
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