Oscar Loew
| Oscar Loew | |
|---|---|
| Born |
April 2, 1844 Marktredwitz, Bavaria |
| Died | January 26, 1941 (aged 96) Berlin, Germany |
| Nationality | German |
| Occupation | agronomist |
Oscar Loew (2 April 1844 – 26 January 1941) was a German agricultural chemist, active in Germany, the United States, and Japan in the late 19th and early 20th centuries.
Loew was born in Marktredwitz, Bavaria, where his father was a pharmacist. He studied at the University of Munich under the noted chemist Justus von Liebig; he was Liebig's last student. Loew was an assistant in plant physiology at the City College of New York and participated in four expeditions to the southwestern United States in 1882 before returning to Munich, Germany, where he collaborated with Karl Wilhelm von Nägeli. Loew became associate professor at Munich University in 1886. In 1893, he was recruited by the Meiji government of Japan as a foreign advisor, and travelled to Tokyo, where he remained until 1898. Loew served as instructor at Tokyo Imperial University between 1893–1907, succeeding Oskar Kellner as professor of agricultural chemistry there. He trained many notable Japanese chemists, including Umetaro Suzuki. While in Japan, he researched the effects of lime on acidic soils.
On the expiration of his contract in 1898, Loew moved to Washington, D.C., where he worked in the United States Department of Agriculture until 1900. While in Washington, he discovered the enzyme catalase and carried out investigations on the influence of calcium and magnesium on plant development. He worked for a short time in Puerto Rico before settling back in Munich in 1910, where he was employed as private contractor working with soil bacteriological problems. In 1913 he accepted the position of professor of chemical plant physiology at the University of Munich.
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