About Leonard Gyllenhaal

Leonard Gyllenhaal was a Swedish nobleman, military officer and entomologist.

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Facts from Wikidata (CC0). Image by Per Krafft the Younger via Wikimedia Commons (Public domain).

Swedish military officer and entomologist (1752 – 1840)

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Leonard Gyllenhaal was a Swedish nobleman, military officer and entomologist.

members

here now

Be the first in the room — members see you arrive.

Facts from Wikidata (CC0). Image by Per Krafft the Younger via Wikimedia Commons (Public domain).