Gerhard C. A.
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|Полное имя||Carl Abraham Gerhard|
|Роль, должность и т.п.||scientist > politician|
|Примечание||Gerhard privy councillor for finance, war, and crown lands in Prussia. He later became commissary for the administration of mines and smelting works and, in 1779, was appointed councillor for mining. Gerhard's chief writings are in mineralogy, but he also wrote on geology, medicine, botany natural history, and chemistry|