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| Paul Walden | |
| Born | July 26, 1863 Rozulas «Pīpēni», Latvia |
|---|---|
| Died | January 22, 1957 (aged 93) Gammertingen, Germany |
| Nationality | Germany |
| Institutions | University of Rostock |
| Alma mater | Riga Polytechnicum University of Leipzig University of Odessa |
| Doctoral advisor | Wilhelm Ostwald |
| Known for | Walden inversion |
Paul Walden (Latvian: Pauls Valdens; 1863 – 1957) was a Latvian-German chemist. He was born in the parish of Rozula near Cēsis in Latvia and initially studied at the Riga Polytechnicum and St. Petersburg before receiving his doctorate at the University of Leipzig in 1891 with Wilhelm Ostwald.
Walden left Latvia after the Russian Revolution and accepted positions in Germany. The Walden inversion is named after him. Walden also invented ethylammonium nitrate as the first example of an ionic liquid. Walden is also known for his 1949 book, History of Chemistry, an excellent synthesis of contemporary historical research in the field.
References
- ^ P. Walden, Bull Acad. Imper. Sci. (St Petersburg), 1914, 1800
- A. G. Morachevskii (2003). "Academician Pavel Ivanovich Walden (on 140th Anniversary of His Birthday)". Russian Journal of Applied Chemistry 76 (7): 1186–1190. doi:.
- Paul Walden (1950). "Aus den Erinnerungen eines alten chemischen Zeitgenossen". Naturwissenschaften 37 (4): 73–81. doi:.
- Georg Lockemann (1953). "Paul von Walden, dem Nestor der Chemie, zum 90. Geburtstage am 26. Juli 1953". Naturwissenschaften 40 (14): 373–374. doi:.
- P. Günther (1933). "Paul Walden zum 70. Geburtstag". Angewandte Chemie 46 (30): 497–498. doi:.
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