Percy Lavon Julian

CTL-E-1084 · Institution · other · unspecified

Verified evidence grade of this record

Percy Julian received US 2,752,339 for a preparation of cortisone, part of a large steroid-chemistry patent portfolio.

Notes

Merged into canonical KG 2026-10-03 from TECH-001; source entity IDs: CTL-DR-TECH-001:TECH-E-082; source research type(s): None. Era not present in source research record(s); marked unspecified pending human review.

Sources

src-patent-us2752339 (primary source)
src-congress-julian

Record CTL-E-1084 · CultureTechLens Knowledge Graph · evidence grade: Verified · CTL research: TECH-001.
Directory: all entity records · the knowledge graph

Cite as: CultureTechLens, “Percy Lavon Julian (CTL-E-1084),” October 4, 2026. https://culturetechlens.com/graph/entities/ctl-e-1084/

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Children playing in vacant lot in Negro section of Chicago, Illinois, Chicago, 1941Photo: Lee, Russell, 1903-1986, FSA-OWI, Public Domain, via Library of Congress

Hallway of a kitchenette apartment building, Chicago, 1941Photo: Russell Lee, FSA-OWI, Public Domain, via Library of Congress

Negro swinging his girl on roller skates. Savoy Ballroom, Chicago, Illinois, Chicago, 1941Photo: Lee, Russell, 1903-1986, FSA-OWI, Public Domain, via Library of Congress

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