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Historic Site · Altadena
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Roger Sperry’s Altadena

The Nobel neuroscientist’s Altadena home survived the Eaton Fire inspection with no recorded damage.
Context-only story
Private residence or private residential area. The public point is deliberately coarse; do not route to, approach, or photograph a home.
The location shown is deliberately coarse or withheld. It must not be used to identify a private property.
Directions unavailable
STATUS
Active
ACCESS
No public access
PUBLIC LOCATION
Boston Street area (approximate)
MAP PRECISION
Approximate area
EVIDENCE
Good working evidence
CHECKED
Aug 22, 2026
THE NERD PAYOFF

Why This Pin Earned Its Place

Sperry’s home anchors the split-brain research network in a place while carefully separating a public scientific story from a private residence.
01
Documented late-1950s residence
02
Split-brain research network
03
Official inspection recorded no damage
PEOPLE AND IDEAS HERE

The Human Network Behind the Address

The private residence appears to survive, and the official Eaton inspection layer classified it “No Damage.”
Roger W. Sperry
1913–1994
resident · Documented 1957 into the 1960s
Caltech directories place Sperry at the Altadena residence during his landmark neuroscience work.
Interaction circle
• Sperry’s students and collaborators included Michael Gazzaniga.
• The work reshaped understanding of hemispheric specialization and consciousness.
LOOK CLOSER

The Gloriously Specific Details

Location history
• The private residence appears to survive, and the official Eaton inspection layer classified it “No Damage.”
Interaction circle
• Sperry’s students and collaborators included Michael Gazzaniga.
• The work reshaped understanding of hemispheric specialization and consciousness.
Map disclosure
• The marker is a coarse area point, not the residence or parcel.
CONFIRMED · HISTORICAL ASSOCIATION
The private residence appears to survive, and the official Eaton inspection layer classified it “No Damage.”
INTERPRETATION · IDEA NETWORK
Sperry’s home anchors the split-brain research network in a place while carefully separating a public scientific story from a private residence.
UNDERSTAND THE PLACE

Context Without a Doorstep

Public location
Boston Street area (approximate)
Hours
Not applicable to a context-only record. A related public institution may have its own event schedule.
Access
Private residence or private residential area. The public point is deliberately coarse; do not route to, approach, or photograph a home.
Map disclosure
The marker identifies a general area, not a house or parcel.
Photography
Do not photograph residents, windows, or private property, and do not linger.
Read the primary research source ↗
ACCESSIBILITY
Details need a check
Unknown, and not assessed as a visitor destination because public access is unavailable or the site is sensitive.
ACCESS & SAFETY
Specific, not sensational
No trespass, doorstep visits, address hunting, or attempts to refine the approximate marker. Learn from the public story instead.
TRUST & SOURCES
usable
Every visible claim is connected to a source and review date. Unknown never silently means no.
Caltech Heritage Project — Michael Gazzaniga ↗
Checked Aug 22, 2026
National Academy of Sciences memoir — Roger Sperry ↗
Checked Aug 22, 2026
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