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Paul-Émile Lecoq de Boisbaudran and the Improvement of Spectroscopy

Paul-Émile Lecoq de Boisbaudran and the Improvement of Spectroscopy

Harald Sack
On April 18, 1838, French chemist Paul-Émile Lecoq de Boisbaudran was born. Lecoq de Boisbaudran improved spectroscopic methods which had recently been developed by Paul Kirchhoff. Furthermore he is known for his discoveries of the chemical elements gallium, samarium and dysprosium. Paul-Émile Lecoq de Boisbaudran – Early Years Paul-Émile Lecoq de Boisbaudran belonged to the ancient Protestant nobility of Poitou and Angoumois, whose considerable fortune, however, disappeared after the revocation of the Edict of…
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physics
Rudolf Mössbauer and the Recoilless Nuclear Resonance Absorption

Rudolf Mössbauer and the Recoilless Nuclear Resonance Absorption

Harald Sack
On January 31, 1929, German physicist and Nobel Laureate Rudolf Ludwig Mössbauer was born. He is best known for his 1957 discovery of recoilless nuclear resonance fluorescence for which he was awarded the 1961 Nobel Prize in Physics. This effect, called the Mössbauer effect, is the basis for Mössbauer spectroscopy. “Explain it! The most important thing is, that you are able to explain it! You will have exams, there you have to…
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physics
Charles Barkla and X-Ray Characteristics of the Chemical Elements

Charles Barkla and X-Ray Characteristics of the Chemical Elements

Tabea Tietz
On June 7, 1877, British physicist Charles Glover Barkla was born. Barkla received the Nobel Prize in Physics for his work in X-ray spectroscopy. In particular for his work on X-ray scattering. This technique is applied to the investigation of atomic structures, by studying how X-rays passing through a material and are deflected by the atomic electrons. Charles Berkla – Early Years of a Physicist Charles Barkla was born in Widnes, England, to John…
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physics
Anders Ångström and the Science of Spectroscopy

Anders Ångström and the Science of Spectroscopy

Harald Sack
On June 21, 1874, Swedish physicist Anders Jonas Ångström passed away. Anders Ångström is considered one of the founders of the science of spectroscopy. His pioneering use of spectroscopy is recognized in the name of the angstrom, a unit of length equal to 10-10 metre. Youth and Education Anders Ångström was born into a wealthy, upper class family in Logodo, Medelpad, Sweden, to Johan Ångström, a preacher at Lögdö Ironworks and later…
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