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Adapted prose from Wikipedia under CC BY-SA 4.0.
1911 Encyclopædia Britannica — public domain in the United States.
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Set in EB Garamond and JetBrains Mono. Built on Next.js 16 + Postgres 17 with pgvector + Drizzle ORM, deployed to Vercel atop a Neon Postgres branch.

Source at github.com/chloeilabs/alexandria.

Alexandria · MMXXVIExplicit colophon · 2026

Person · 1755 CE – 1791 CE

Johann Heinrich Justus Köppen

Also known as

Johann Heinrich Justus Koeppen
Johann Heinrich Justus Koeppen
Johann Heinrich Justus Koeppen
Johann Heinrich Justus Koeppen
Johann Heinrich Justus Koppen
چوهان هينريخ چوستوس كوپين

archival plate · Johann Heinrich Justus Köppen · placeholder

This entry is a stub. The Library is awakening — a longer account is being written.

Connected to

citizen ofGermany1949 CE
born in · died inHanover

+ 4 further connections to entries not yet ingested

Johann Heinrich Justus Köppen · Alexandria