"Prof Christopher Girtanner FRSE (1760–1800) was a short-lived but influential Swiss author, physician and chemist. He was also Privy Councillor to the Duke of Saxe-Coburg." - (en.wikipedia.org 08.03.2022)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)