Person · 1817
Hermann August Hagen
German entomologist recruited by Louis Agassiz to Harvard's Museum of Comparative Zoology, where he became one of America's first professors of entomology.
Photograph · Wikimedia Commons
Why it matters
A single canonical record that surfaces on 4 of the network’s properties — the same place, understood through 4 different civic lenses.
Open the full civic recordCurrent pulse, routes, recommendations, and memory
Living object
Now, then, future
Every object is temporal: what it feels like now, what it used to mean, and what it can become next.
Now
Thenquiet enough to notice details. Best now: the older layer.
1636: The oldest institution of higher learning in the United States, founded in 1636 and named for its first benefactor, John Harvard.
Future2026: America’s 250th — July 4, 2026.
Current modegolden hour
Historical echoHarvard University
Connected eventAmerica’s 250th — July 4, 2026
Pulse
How it feels right now
Current energyquiet enough to notice details
Best nowthe older layer
Best timegolden hour
academicstoriedlively
Rain scoremodest
Indoor escapes within a few blocks.
Laptop friendlinesslow
Coffee, libraries, bookstores, and campus edges.
Student presencehigh
How strongly the nearby graph reads as campus life.
Tourist pressurelow
Fame, landmark pull, and visitor-facing assets.
Historic densityextreme
Older records and historical edges around this object.
Serendipityhigh
Different kinds of things hiding within a short walk.
Turn this into a walk
Routes with a point of view
What should I see next?
Chosen moves from here
The editor's hand
Human recommendations
Civic memory
What this meant before
18171817Hermann August Hagen enters the civic record here.1631Cambridge CommonCommon ground since 1631 and the mustering place of the Continental Army, where by long tradition Washington took command in 1775; now the civic green between Harvard Square and Porter.1636Harvard UniversityThe oldest institution of higher learning in the United States, founded in 1636 and named for its first benefactor, John Harvard.1636Harvard YardThe oldest part of the oldest American university — 22 acres of elms, freshman dorms, Widener Library and the John Harvard statue.
- Established
- 1817
- Graph connections
- 1
In the graph 1 relationships — first-class data, not links
Explore Hermann August Hagen in the interactive Graph Explorer — click to expand every connection →Located in
Nearby what sits within a few minutes’ walk
Historical event · 1 min walk
Founding of Newtowne (1630)
Historical event · 1 min walk
Newtowne Becomes Cambridge (1638)
Historical event · 1 min walk
Cambridge Becomes a City (1846)
Historical context
Founding of Newtowne (1630)Newtowne Becomes Cambridge (1638)Cambridge Becomes a City (1846)Cambridge 400 — Newtowne’s Quadricentennial (2030)
Related reading
Newtowne at 400: The Failed Capital That Became the World’s LaboratoryThe Press That Started ItThe 1976 Hearings That Built a Skyline
An unexpected connection
Hermann August Hagen is linked, through the graph, to Harvard Square — neighborhood, 9 min walk away. The kind of thread you only find by following the connections.
Keep exploring graph-powered — every path below is a real relationship, not a guess
NearbyA few minutes’ walk away
Also in Harvard SquareShares a neighborhood
More peopleOther people in the graph
From the Federal & antebellum eraOf the same period
Visitors also exploreReached through the same connections
One record, 4 framings cross-property publishing — never duplicated
How we know graph confidence — we explain our certainty, not just assert it
○Source qualityBest source is open reference
○Independent corroboration1 source
✓Human-reviewedEditorially verified
○Institutional backingNo primary source yet
✓Record completeness100% of canonical fields present
Sources, by tier
Wikidata Q73531 Open reference
The same entity, elsewhere
Graph scores — our north star is relationship density, not page count
Relationship density13
1 connection
Record coverage92
metadata completeness
Graph authority38
centrality + reach + trust
Schema.org JSON-LD — what answer engines read
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