Walther Nernst, Nobel Prize in Chemistry, 1920 (1864 - 1941) MP

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Birthplace: Briesen, Pomerania, Germany
Death: Died in Zibelle, Prussia (now Poland)
Occupation: German physical chemist, Nobel Proze in Chemistry 1920
Managed by: Yigal Burstein / יגאל בורשטיין
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About Walther Nernst, Nobel Prize in Chemistry, 1920

Walther Hermann Nernst (25 June 1864 – 18 November 1941) was a German physical chemist and physicist who is known for his theories behind the calculation of chemical affinity as embodied in the third law of thermodynamics, for which he won the 1920 Nobel Prize in chemistry. Nernst helped establish the modern field of physical chemistry and contributed to electrochemistry, thermodynamics, solid state chemistry and photochemistry. He is also known for developing the Nernst equation.

Biography

Early years

Nernst was born in Briesen in West Prussia (now Wąbrzeźno, Poland) as son of Gustav Nernst, who was a district judge. Nernst went to elementary school at Graudentz. He studied physics and mathematics at the universities of Zürich, Berlin, Graz and Wuerzburg, where he graduated in 1887.

Career

After some work at Leipzig, he founded the Institute of Physical Chemistry and Electrochemistry at Göttingen. Nernst invented, in 1897 an electric lamp, using an incandescent ceramic rod. His invention, known as the Nernst lamp, was the successor to the carbon lamp and the precursor to the incandescent lamp. Nernst researched osmotic pressure and electrochemistry. In 1905, he established what he referred to as his "New Heat Theorem", later known as the Third law of thermodynamics (which describes the behavior of matter as temperatures approach absolute zero). This is the work for which he is best remembered, as it provided a means of determining free energies (and therefore equilibrium points) of chemical reactions from heat measurements. Theodore Richards claimed Nernst had stolen the idea from him, but Nernst is almost universally credited with the discovery.

In 1911, with Max Planck, he is the main organizer of the first Solvay Conference in Brussels.

In 1920, he received the Nobel Prize in chemistry in recognition of his work in thermochemistry. In 1924, he became director of the Institute of Physical Chemistry at Berlin, a position from which he retired in 1933. Nernst went on to work in electroacoustics and astrophysics.

Nernst developed an electric piano, the "Neo-Bechstein-Flügel" in 1930 in association with the Bechstein and Siemens companies, replacing the sounding board with radio amplifiers. The piano used electromagnetic pickups to produce electronically modified and amplified sound in the same way as an electric guitar.

His device, a solid-body radiator with a filament of rare-earth oxides, that would later be known as the Nernst glower, is important in the field of infrared spectroscopy. Continuous ohmic heating of the filament results in conduction. The glower operates best in wavelengths from two to 14 micrometers.

Personal life

Nernst married in 1892 to Emma Lohmeyer with whom he had two sons and three daughters. He was a vocal critic of Adolf Hitler and Nazism, and two daughters married Jewish men. In 1933, the rise of Nazism led to the end of Nernst's career as a scientist. Nernst died in 1941 and is buried near Max Planck in Göttingen, Germany.

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The Nobel Prize in Chemistry 1920 was awarded to Walther Nernst "in recognition of his work in thermochemistry".

Walther Nernst received his Nobel Prize one year later, in 1921. During the selection process in 1920, the Nobel Committee for Chemistry decided that none of the year's nominations met the criteria as outlined in the will of Alfred Nobel. According to the Nobel Foundation's statutes, the Nobel Prize can in such a case be reserved until the following year, and this statute was then applied. Walther Nernst therefore received his Nobel Prize for 1920 one year later, in 1921.

Biography of Walther Hermann Nernst - The Nobel Committee: [http://nobelprize.org/nobel_prizes/chemistry/laureates/1920/nernst.html]

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Walther Nernst, Nobel Prize in Chemistry, 1920's Timeline

1864
June 25, 1864
Briesen, Pomerania, Germany
1892
1892
Age 27
1941
November 18, 1941
Age 77
Zibelle, Prussia (now Poland)
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Göttingen, Lower Saxony, Germany