physics

Wilhelm Conrad Röntgen – The Father of Diagnostic Radiology

Wilhelm Conrad Röntgen – The Father of Diagnostic Radiology

On March 27, 1845, Wilhelm Conrad Röntgen was born. The German physicist is best known for producing and detecting electromagnetic radiation in a wavelength range, better known as X-rays or Röntgen rays. Röntgen received the Nobel Prize in Physics for his achievement in 1901. Wilhelm Conrad Röntgen was born in Germany, but grew up in the Netherlands before enrolling at Utrecht’s technical school. After being unfairly expelled from the University, he entered the University…
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Josef Stefan’s Work in Thermodynamics

Josef Stefan’s Work in Thermodynamics

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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Emmy Noether and the Love for Mathematics

Emmy Noether and the Love for Mathematics

On April 23, 1882, German mathematician and physicist Emmy Noether was born, who is best known for her groundbreaking contributions to abstract algebra and theoretical physics. Albert Einstein called her the most important woman in the history of mathematics, as she revolutionized the theories of rings, fields, and algebras. “My methods are really methods of working and thinking; this is why they have crept in everywhere anonymously.” Letter to Helmut Hasse (1931)…
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Nathan Rosen – Wormholes and Time Travel

Nathan Rosen – Wormholes and Time Travel

On March 22, 1909, US-American physicist Nathan Rosen was born. He is best known for his cooperation together with Albert Einstein and Boris Podolsky on the quantum-mechanical description of physical reality leading the the so-called Einstein-Podolsky-Rosen paradoxon, as well as his postulation of worm holes connecting distant areas in space. Although purely theoretic, his work also had an important impact on science fiction literature. Nathan Rosen was born in New York City and attended…
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Alessandro Volta and the Electricity

Alessandro Volta and the Electricity

On March 20, 1800, Italian physicist Alessandro Volta informed the British Royal Society in London about his newly invented electric power source, the Voltaic pile, the first energy source technology capable of producing a steady, continuous flow of electricity. Alessandro Giuseppe Antonio Anastasio Volta was born on February 18, 1745, in in Como, Italy, into a noble family. Volta’s parents, Filippo Volta and Maria Maddalena dei Conti Inzaghi, however, had planned a…
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Albert Einstein revolutionized Physics

Albert Einstein revolutionized Physics

On March 14, 1879, German theoretical physicist Albert Einstein was born, who has become an iconic figure for physics as well as science of the 20th century. He is best known for his theories on special and general relativity, as well as for the discovery of the photoelectric effect – for which he received the Nobel Prize – and he developed what has been named the most famous equation in history, the mass energy…
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Augustin-Jean Fresnel and the Wave Theory of Light

Augustin-Jean Fresnel and the Wave Theory of Light

On March 10, 1788, French civil engineer and physicist Augustin-Jean Fresnel was born. Augustin-Jean Fresnel‘s research in optics led to the almost unanimous acceptance of the wave theory of light, excluding any remnant of Newton‘s corpuscular theory, from the late 1830s until the end of the 19th century. Augustin-Jean Fresnel attended the École Nationale des Ponts et Chaussées (National School of Bridges and Roads). He graduated in 1809  and entered the service of…
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Hans Christian Ørsted connecting Electricity and Magnetism

Hans Christian Ørsted connecting Electricity and Magnetism

On March 9, 1851, Danish physicist Hans Christian Ørsted passed away. Hans Christian Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism. He is still known today for Oersted‘s Law and the oersted (Oe), the cgs unit of magnetic H-field strength, is named after him. Hans Christian Ørsted was born in Rudkøbing, Denmark, the elder son of an apothecary, Søren Christian Ørsted, and…
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Otto Hahn – the Father of Nuclear Chemistry

Otto Hahn – the Father of Nuclear Chemistry

On March 8, 1879, German chemist and pioneer in the fields of radioactivity and radiochemistry Otto Hahn was born. He was awarded the Nobel Prize in Chemistry in 1944 for the discovery and the radiochemical proof of nuclear fission at the exclusion of his colleague Lise Meitner. He is referred to as the father of nuclear chemistry. Otto Hahn studied chemistry and mineralogy at the University of Marburg. During his third and fourth semester,…
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Joseph von Fraunhofer and the Solar Spectrum

Joseph von Fraunhofer and the Solar Spectrum

On March 6, 1787, German optician and physicist Joseph Fraunhofer – later enobled Ritter von Fraunhofer – was born. He is known for the discovery of the dark absorption lines known as Fraunhofer lines in the Sun‘s spectrum, and for making excellent optical glass and achromatic telescope objectives. Moreover, he is the name giver for the German Fraunhofer Society for the advancement of applied research. Joseph Fraunhofer was born in Straubing, Bavaria to…
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