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Historic Site · San Marino
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Fritz Zwicky’s Surviving San Marino Home

A surviving early Zwicky home anchors dark matter, supernovae, neutron stars, and one famously abrasive astronomer.
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
Lorain Road area (approximate)
MAP PRECISION
Approximate area
EVIDENCE
Good working evidence
CHECKED
Aug 22, 2026
THE NERD PAYOFF

Why This Pin Earned Its Place

The San Marino house is the surviving artifact in a two-home story; his longer-term Pasadena residence was replaced in 2018.
01
1932 Tudor Revival survives
02
Earlier Zwicky residence
03
Long-term Oakdale home replaced
PEOPLE AND IDEAS HERE

The Human Network Behind the Address

The San Marino home survives within a historic district. The later Oakdale house associated with Zwicky from 1949–1968 was replaced by a 2018 residence.
Fritz Zwicky
1898–1974
resident · Documented 1939–1941
Zwicky lived at the Lorain Road house before moving to his long-term Oakdale residence.
Interaction circle
• Zwicky and Walter Baade coined “supernova” and linked supernovae to neutron stars and cosmic rays.
• Mount Wilson and Palomar connect the work to Hale and Hubble.
LOOK CLOSER

The Gloriously Specific Details

Location history
• The San Marino home survives within a historic district. The later Oakdale house associated with Zwicky from 1949–1968 was replaced by a 2018 residence.
Interaction circle
• Zwicky and Walter Baade coined “supernova” and linked supernovae to neutron stars and cosmic rays.
• Mount Wilson and Palomar connect the work to Hale and Hubble.
Map disclosure
• The marker is a coarse area point, not the residence or parcel.
CONFIRMED · HISTORICAL ASSOCIATION
The San Marino home survives within a historic district. The later Oakdale house associated with Zwicky from 1949–1968 was replaced by a 2018 residence.
INTERPRETATION · IDEA NETWORK
The San Marino house is the surviving artifact in a two-home story; his longer-term Pasadena residence was replaced in 2018.
UNDERSTAND THE PLACE

Context Without a Doorstep

Public location
Lorain Road 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.
City of San Marino historic survey findings ↗
Checked Aug 22, 2026
Caltech remembrance of Fritz Zwicky ↗
Checked Aug 22, 2026
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