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Adapted prose from Wikipedia under CC BY-SA 4.0.
1911 Encyclopædia Britannica — public domain in the United States.
Imagery via Wikimedia Commons; per-image attribution on each entry.

¶ Colophon

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 · 1694 CE – 1760 CE

Johann Heinrich Callenberg

Also known as

Иоганн Генрих Калленберг
Иоганн Калленберг
Иоганн-Генрих Калленберг
Калленберг И.
Калленберг И. Г.
Калленберг Иоганн Генрих

archival plate · Johann Heinrich Callenberg · placeholder

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

Connected to

citizen ofGermany1949 CE
worked for · studied atMartin Luther University Halle-Wittenberg1933 CE

+ 7 further connections to entries not yet ingested

Johann Heinrich Callenberg · Alexandria