Ignatius Gottfried Kaim was a chemist from the Holy Roman Empire. In his dissertation De metallis dubiis published in 1770 Kaim describes the reduction of manganese oxide with carbon and the formation of a brittle metal. This is the first description of manganese metal several years before the better known synthesis of Johan Gottlieb Gahn in 1774.

References

• Fasold, H.; Dehnicke, K.; Fuchs, O.; König, K. -H.; Gail, L.; Tamamushi, B. (1981). "Buchbesprechungen". Colloid and Polymer Science Kolloid-Zeitschrift & Zeitschrift für Polymere. 259 (11): 1137. doi:10.1007/BF01524902.

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