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Friedrich Accum and the Popularization of Chemistry

Friedrich Accum and the Popularization of Chemistry

Harald Sack
On March 29, 1769, German chemist Friedrich Christian Accum was born. Accum‘s most important achievements included advances in the field of gas lighting, efforts to keep processed foods free from dangerous additives, and the promotion of interest in the science of chemistry to the general populace. Youth and Education Accum was born in Bückeburg, Schaumburg-Lippe (near Hannover), where his father was in the service of Count Wilhelm von Schaumburg-Lippe. Friedrich’ father died,…
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chemistry
Linus Pauling – From Quantum Chemistry to Molecular Biology

Linus Pauling – From Quantum Chemistry to Molecular Biology

Tabea Tietz
On February 28, 1901, American chemist, biochemist, peace activist, author, educator Linus Pauling was born. Pauling was one of the founders of the fields of quantum chemistry and molecular biology. His contributions to the theory of the chemical bond include the concept of orbital hybridisation and the first accurate scale of electronegativities of the elements. New Scientist called him one of the 20 greatest scientists of all time, and as of 2000,…
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chemistry
Irving Langmuir and his scientific achievements

Irving Langmuir and his scientific achievements

Tabea Tietz
On January 31, 1881, American chemist and physicist Irving Langmuir was born. Langmuir advanced several basic fields of physics and chemistry, invented the gas-filled incandescent lamp, the hydrogen welding technique, and was awarded the 1932 Nobel Prize in Chemistry for his work in surface chemistry. “To me, [it’s] extremely interesting that men, perfectly honest, enthusiastic over their work, can so completely fool themselves.” — Irving Langmuir, 1953 [9] Irving Langmuir Background Irving Langmuir…
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chemistry
Modern Chemistry started with Antoine Lavoisier

Modern Chemistry started with Antoine Lavoisier

Harald Sack
On August 26, 1743, French nobleman and chemist Antoine Laurent de Lavoisier was born. De Lavoisier is considered as one of the fathers of modern chemistry. “We must trust to nothing but facts: These are presented to us by Nature, and cannot deceive. We ought, in every instance, to submit our reasoning to the test of experiment, and never to search for truth but by the natural road of experiment and observation.”…
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chemistry
Henry Moseley and the Atomic Numbers

Henry Moseley and the Atomic Numbers

Harald Sack
On August 10, 1915, English physicist, Henry Moseley was killed in action. Moseley‘s contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic number. This stemmed from his development of Moseley’s law in X-ray spectra. “We have now got what seems to be definite proof that an X ray which spreads out in a spherical form from a source as a wave…
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chemistry
Happy Bicycle Day – Albert Hofmann’s Research on LSD

Happy Bicycle Day – Albert Hofmann’s Research on LSD

Tabea Tietz
On April 19, 1943, Swiss chemist Albert Hofmann in the Sandoz (now Novartis) laboratories in Basel, Switzerland performed a self-experiment to determine the true effects of LSD, intentionally ingesting 0.25 milligrams (250 micrograms) of the substance, an amount he predicted to be a threshold dose (an actual threshold dose is 20 micrograms). While riding home on his bicycle, he experienced the very first LSD trip, now referred to as “Bicycle Day”, and proved…
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chemistry
Otto Hahn – the Father of Nuclear Chemistry

Otto Hahn – the Father of Nuclear Chemistry

Tabea Tietz
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. “Usually, a discovery is not made in the easiest but on a complicated way; the simple cases…
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chemistry
Carl Remigius Fresenius and the Analytical Chemistry

Carl Remigius Fresenius and the Analytical Chemistry

Tabea Tietz
On December 28, 1818, German chemist Carl Remigius Fresenius was born. Fresenius is known for his studies in analytical chemistry. He devised a method for systematic identification and separation of individual metal and non-metal ions, selecting the most suitable reactions from the many that were known. Early Years Carl Remigius Fresenius was born in Frankfurt am Main, Germany, the son of Jakob Samuel Heinrich Fresenius, a lawyer with a doctorate in law. After…
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chemistry
Jaroslav Heyrovský and the Polarography

Jaroslav Heyrovský and the Polarography

Tabea Tietz
On December 20, 1890, Czech chemist and inventor Jaroslav Heyrovský was born. Jaroslav Heyrovský received the 1959 Nobel Prize in Chemistry “for his discovery and development of the polarographic methods of analysis” (1922), which is one of the most versatile analytical techniques. It applies the principle that in electrolysis the ions are discharged at an electrode and, if the electrode is small, the current may be limited by the rate of movement of…
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biology
Richard Kuhn and his Work on Carotinoids and Vitamins

Richard Kuhn and his Work on Carotinoids and Vitamins

Tabea Tietz
On December 3, 1900, Austrian-German biochemist Richard Johann Kuhn was born. Kuhn was awarded the Nobel Prize in Chemistry in 1938 “for his work on carotenoids and vitamins“. Kuhn is also credited with the discovery of the deadly nerve agent Soman in 1944. Early Years Richard Kuhn was born in Vienna, Austria, where he also attended elementary school and the Döblinger Gymnasium. From 1910 to 1918 he attended the same classes as the…
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