Kentuck Knob — designed by Frank Lloyd Wright [FACT-2016]; in the Usonian style [FACT-2018].
Location: Stewart Township, Chalk Hill, Pennsylvania, United States
Verified facts
- Designed by Frank Lloyd Wright
confidence 85/100 · 3 independent sources · SRC-1898, SRC-1900, SRC-1899 - Architectural style: Usonian
confidence 70/100 · 2 independent sources · SRC-1898, SRC-1900
Evidence & sources
- SRC-1898 — Kentuck Knob — Wikipedia (Tier 2, reference; retrieved June 2026)
- SRC-1899 — Isaac Newton Hagan House — Living Places (NRHP/NHL nomination text) (Tier 2, reference; retrieved June 2026)
- SRC-1900 — Kentuck Knob — Frank Lloyd Wright Foundation (Tier 1, official_archive; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We publish
location only at neighborhood/city granularity — exact street addresses and personal information
are structurally barred from publication. Last reviewed June 2026.