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John D. Hamaker — (1914–1994), was an American mechanical engineer, ecologist, agronomist and science writer in the fields of soil remineralization, rock dusting, mineral cycles, climate cycles and glaciology. Contents 1 Biography 2 Discoveries inventions 3… … Wikipedia
Helmholtz-Gemeinschaft — The Helmholtz Association of German Research Centres (German: Helmholtz Gemeinschaft Deutscher Forschungszentren ) is the largest scientific organisation in Germany. It is a union of 15 scientifically, technically, biologically, and medically… … Wikipedia
