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Biography of John W. Gruner
12. Jul 1890 – 1. Jan 1981(90 years)Died in:United States
US-amerikanischer Mineraloge und Kristallograph
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Biography
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John W. Gruner (* 12. July 1890; † 1. January 1981) was an uS-amerikanischer Mineraloge und Kristallograph. He was 90 years old. He worked at University of Minnesota. He was awarded the Roebling Medal.
Life Events
2 Events1890
Born
1981