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physics
John Wheeler and the Golden Age of General Relativity

John Wheeler and the Golden Age of General Relativity

Tabea Tietz
On July 9, 1911, American theoretical physicist John Archibald Wheeler was born. Wheeler worked with Niels Bohr in explaining the basic principles behind nuclear fission as well as with Albert Einstein, with whom he tried to achieve Einstein’s vision of a unified field theory. He is also known for popularizing the term black hole, and for coining the terms quantum foam, and wormhole. Background John Wheeler John Archibald Wheeler grew up in a Unitarian…
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physics
George Gamow and his fundamental Views on the Foundations of Science

George Gamow and his fundamental Views on the Foundations of Science

Harald Sack
On March 4, 1904, theoretical physicist and cosmologist George Gamow was born. He was an early advocate and developer of George Lemaître’s Big Bang theory. Besides his contributions to physics, in his middle and late career, Gamow focused more on teaching, and became well known as an author of popular books on science, which are still in print more than 50 years after their publication. “There was a young fellow from Trinity,…
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astronomy
The Universe goes beyond the Milky Way – thanks to Edwin Hubble

The Universe goes beyond the Milky Way – thanks to Edwin Hubble

Tabea Tietz
On November 20, 1889, American astronomer Edwin Hubble was born. He is best known for his role in establishing the field of extragalactic astronomy and is generally regarded as one of the most important observational cosmologists of the 20th century. “Equipped with his five senses, man explores the universe around him and calls the adventure Science.” – Edwin Hubble (1929) Edwin Hubble – Early Years Although Edwin Hubble earned pretty good grades in…
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astronomy
Carl Sagan’s Cosmos

Carl Sagan’s Cosmos

Tabea Tietz
On November 9, 1934, American astronomer, astrophysicist, cosmologist, and successful author Carl Sagan was born. Carl Sagan is known for his popular science books and for the award-winning 1980 television series Cosmos: A Personal Voyage, which he narrated and co-wrote. “In science it often happens that scientists say, “You know that’s a really good argument; my position is mistaken,” and then they would actually change their minds and you never hear that…
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physics
CERN and its Brilliant Minds

CERN and its Brilliant Minds

Tabea Tietz
On June 10, 1955, the laying of the foundation stone of the European Organization for Nuclear Research Laboratory (CERN) was performed by Felix Bloch, the organization‘s first President. Since 1955, numerous essential experiments were executed, leading to significant contributions in the world of physics and to our daily lives. Physics Research in Europe The name CERN is originally derived from the French acronym ‘Conceil Europeén pour la Recherche Nucléaire’. In 1952, a…
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physics
Steven Weinberg and the Great Unifying Theory

Steven Weinberg and the Great Unifying Theory

Tabea Tietz
On May 3, 1933, American theoretical physicist and Nobel laureate Steven Weinberg was born. His research on elementary particles and cosmology has been honored with numerous prizes and awards including the Nobel Prize in Physics, which he received in 1979 together with his colleagues Abdus Salam and Sheldon Glashow for the unification of the weak force and electromagnetic interaction between elementary particle. “Elementary particles are terribly boring, which is one reason why…
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astronomy
Tycho Brahe – The Man with the Golden Nose

Tycho Brahe – The Man with the Golden Nose

Harald Sack
On December 14, 1546, Danish nobleman and astronomer Tycho Brahe, known for his accurate and comprehensive astronomical and planetary observations was born. “Non haberi, sed esse.” “Not shine, but be.” – Tycho Brahe’s Election slogan Background Tycho Brahe was born at Knutstorp Castle, Scania, at that time Denmark, into a politically powerful family of noblemen and political advisors. He grew up with his uncle, also a nobleman, who supplied his nephew with a…
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physics
Christian Doppler and the Doppler Effect

Christian Doppler and the Doppler Effect

Harald Sack
On November 29, 1803, Christian Johann Doppler, Austrian Physicist and mathematician was born in Salzburg. Doppler is widely known for his principle, the Doppler effect, that the observed frequency of a wave depends on the relative speed of the source and the observer. He used this concept to explain the color of binary stars. “There have been applied sciences throughout the ages. … However this so-called practice was not much more than paper…
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astronomy
Jocelyn Bell Burnell and the Discovery of Pulsars

Jocelyn Bell Burnell and the Discovery of Pulsars

Harald Sack
On November 28, 1967, Jocelyn Bell Burnell and Anthony Hewish discovered the first Pulsar, a fast rotating neutron star that emits a beam of electromagnetic radiation. The radiation of a pulsar can only be observed when the beam of emission is pointing toward the Earth, much the way a lighthouse can only be seen when the light is pointed in the direction of an observer, and is responsible for the pulsed appearance…
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astronomy
Sir Arthur Eddington – The Man who Proved Einstein’s General Relativity

Sir Arthur Eddington – The Man who Proved Einstein’s General Relativity

Tabea Tietz
On November 22, 1944, British astrophysicist and philosopher Sir Arthur Stanley Eddington passed away. He became famous for his 1919 solar eclipse expedition to Principe, where he conducted astrophysical experiments to give proof for Albert Einstein‘s seminal theory of general relativity. “At terrestrial temperatures matter has complex properties which are likely to prove most difficult to unravel; but it is reasonable to hope that in the not too distant future we shall be…
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