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Tabea Tietz

physics
Otto Frisch and the Idea of Nuclear Fission

Otto Frisch and the Idea of Nuclear Fission

Tabea Tietz
On October 1, 1904, Austrian-British physicist Otto Robert Frisch was born. With his aunt Lise Meitner,[4] Frisch described the division of neutron-bombarded uranium into lighter elements. With his collaborator Rudolf Peierls he designed the first theoretical mechanism for the detonation of an atomic bomb in 1940. “Scientists have one thing in common with children: curiosity. To be a good scientist you must have kept this trait of childhood, and perhaps it is not…
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physics
Jean Baptiste Perrin and the Brownian Motion

Jean Baptiste Perrin and the Brownian Motion

Tabea Tietz
On September 30, 1870, French physicist Jean Baptiste Perrin was born. In his studies of the Brownian motion of minute particles suspended in liquids, Perrin verified Albert Einstein’s explanation of this phenomenon and thereby confirmed the atomic nature of matter. Jean Baptiste Perrin – Biographical Background Jean Baptiste Perrin was born in Lille, France, while his father, Captain Jean Baptiste Perrin, wounded at the battle of Saint-Privat, was locked up in Metz…
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medical science
Michael Servetus and the Pulmonary Circulation

Michael Servetus and the Pulmonary Circulation

Tabea Tietz
Around September 29, 1509 (or 1511), Spanish theologian, physician, cartographer, and Renaissance humanist Michael Servetus was born. Servetus was a polymath versed in many sciences: mathematics, astronomy and meteorology, geography, human anatomy, medicine and pharmacology, as well as jurisprudence, translation, poetry and the scholarly study of the Bible in its original languages. He was probably the first European to correctly describe the function of pulmonary circulation. “Michael Servetus, alone, but trusting in Christ’s most sure protection.”…
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archeology
Edward Herbert Thompson and the Cenote Sagrado

Edward Herbert Thompson and the Cenote Sagrado

Tabea Tietz
On September 28, 1857, American archaeologist and diplomat Edward Herbert Thompson was born. Thompson is most famous for dredging the Cenote Sagrado (Sacred Cenote) in Chichen Itza from 1904 to 1910, where he recovered artifacts of gold, copper and carved jade, as well as the first-ever examples of what were believed to be pre-Columbian Maya cloth and wooden weapons. Edward Herbert Thompson – Early Years Edward Herbert Thompson was born in Worcester, Massachussetts,…
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astronomy
Sir Martin Ryle’s Breakthrough in Radio Astronomy with Aperture Synthesis

Sir Martin Ryle’s Breakthrough in Radio Astronomy with Aperture Synthesis

Tabea Tietz
On September 27, 1918, English radio astronomer and Nobel Laureate Sir Martin Ryle was born. Ryle developed revolutionary radio telescope systems and used them for accurate location and imaging of weak radio sources. He was Astronomer Royal from 1972 to 1982 and shared the Nobel Prize in Physics in 1974 with Antony Hewish, the first Nobel prize awarded in recognition of astronomical research. “I think that the event which, more than anything else, led me…
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medical science
Archibald Hill and the Discipline of Biophysics

Archibald Hill and the Discipline of Biophysics

Tabea Tietz
On September 26, 1886, English physiologist and Nobel Laureate Archibald Vivian Hill was born. Hill is one of the founders of the diverse disciplines of biophysics and operations research. He shared the 1922 Nobel Prize in Physiology or Medicine for his elucidation of the production of heat and mechanical work in muscles. “One knows that after violent exercise one breathes heavily for some time: the more violent the exercise, the longer one’s respiration is…
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aviation
Eugen Sänger and Rocket Propulsion Engineering

Eugen Sänger and Rocket Propulsion Engineering

Tabea Tietz
On September 22, 1905, Austrian rocket propulsion engineer Eugen Sänger was born. Sänger is best known for his contributions to lifting body and ramjet technology. Sänger also perfected a “regeneratively cooled” liquid-fueled rocket engine that used its own fuel, circulating around the combustion chamber, to control engine temperatures. By Rocket into Planetary Space After the early loss of his father, Eugen Sänger attended elementary schools in Budapest and Kelenföld. As early as 1918, Sänger…
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medical science
David Vetter, the Bubble Boy

David Vetter, the Bubble Boy

Tabea Tietz
On September 21, 1971, David Phillip Vetter was born. He was a prominent sufferer of severe combined immunodeficiency (SCID), a hereditary disease which dramatically weakens the immune system. In the media, Vetter was referred to as “David, the bubble boy“, because he lived in a special sterilized plastic cocoon bubble from birth until he died at age 12. Background Before David was born, his parents Carol Ann and David Vetter Jr. had their first…
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communication
Chester Carlson and the Invention of Xerography

Chester Carlson and the Invention of Xerography

Tabea Tietz
On September 19, 1968, American physicist, inventor, and patent attorney Chester F. Carlson passed away. He is best known for having invented the process of electrophotography, which produced a dry copy rather than a wet copy, as was produced by the mimeograph process. Carlson’s process was subsequently renamed xerography, a term that literally means “dry writing.” Chester Carlson – Early Years Chester F. Carlson was the only child of Olof Adolph (*…
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physics
Edwin McMillan and his Research on Transuranium Elements

Edwin McMillan and his Research on Transuranium Elements

Tabea Tietz
On September 18, 1907, American physicist and Nobel Laureate Edwin Mattison McMillan was born. McMillan is credited with being the first ever to produce a transuranium element, neptunium. For this, he shared the Nobel Prize in Chemistry with Glenn Seaborg in 1951. Edwin McMillan – Early Years Edwin McMillan, the son of physicist Dr. Edwin Harbaugh McMillan and his wife Anne Marie McMillan, née Mattison, grew up in Pasadena, California. He entered…
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