Wilhelm Ostwald family name Ostwald
Friedrich Wilhelm Ostwald (German pronunciation: [ˈvɪlhɛlm ˈɔstˌvalt] (listen); 2 September [O.S. 21 August] 1853 – 4 April 1932) was a Baltic German chemist and philosopher.  Ostwald is credited with being one of the founders of the field of physical chemistry, with Jacobus Henricus van 't Hoff, Walther Nernst, and Svante Arrhenius.
He received the Nobel Prize in Chemistry in 1909 for his scientific contributions to the fields of catalysis, chemical equilibria and reaction velocities.Following his 1906 retirement from academic life, Ostwald became much involved in philosophy, art, and politics. He made significant contributions to each of these fields. He has been described as a polymath.
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