Ludwig Boltzmann

Every Set can be Well Ordered – Ernst Zermelo

Every Set can be Well Ordered – Ernst Zermelo

On July 27, 1871, German logician and mathematician Ernst Zermelo was born. Zermelo’s work had major implications for the foundations of mathematics. He is known for his role in developing Zermelo–Fraenkel axiomatic set theory and his proof of the well-ordering theorem. “…self-evidence … must not be confused with … provability.” – Ernst Zermelo The Son of a Grammar School Professor Zermelo was the son of a grammar school professor and attended the…
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Ludwig Boltzmann and Statistical Mechanics

Ludwig Boltzmann and Statistical Mechanics

On February 20, 1844, Austrian physicist and philosopher Ludwig Boltzmann was born. His greatest achievement was in the development of statistical mechanics, which explains and predicts how the properties of atoms determine the physical properties of matter. “Who sees the future? Let us have free scope for all directions of research; away with dogmatism, either atomistic or anti-atomistic!” — Ludwig Boltzmann, “Lectures on Gas Theory”, translated by Stephen George Brush (1971), p.…
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Lise Meitner – The Misjudged Genius

Lise Meitner – The Misjudged Genius

On October 27, 1968, Austrian-Swedish physicist Lise Meitner passed away. She is known today for her passionate and extraordinary work on radioactivity and nuclear physics along with her colleague Otto Hahn,[1] who was honored with the Nobel Prize while Meitner stayed unrecognized. Family Background and Early Life Lise Meitner was born on November 7, 1878 in Vienna Leopoldstadt (2nd district of Vienna), Austria. She was the third daughter of the Jewish lawyer Philipp Meitner and…
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Josef Stefan’s – Black Bodies and Thermodynamic Temperature

Josef Stefan’s – Black Bodies and Thermodynamic Temperature

On March 24, 1835, Carinthian Slovene physicist, mathematician, and poet Josef Stefan was born. Stefan is best known for originating Stefan’s law in 1879, a physical power law stating that the total radiation from a black body is proportional to the fourth power of its thermodynamic temperature T. As long as you are not a physicist specialized in black body radiation, you probably have never heard of Josef Stefan. For me as a computer…
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Ernst Mach and the eponymous Mach Number

Ernst Mach and the eponymous Mach Number

On February 18, 1838, Austrian physicist and philosopher Ernst Mach was born. Mach is noted for his contributions to physics such as study of shock waves. The ratio of one’s speed to that of sound is named the Mach number in his honor. As a philosopher of science, he was a major influence on logical positivism and American pragmatism. “There is no problem in all mathematics that cannot be solved by direct…
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