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Percy Julian — Historical photograph
Historical photograph. National Inventors Hall of Fame portrait; original photographer not identified on inspected page. Image credit & source

Chemistry · Medicines · Industrial research

Percy Julian

1899–1975

STEMUS

Julian and colleague Josef Pikl achieved the laboratory synthesis of physostigmine, a compound used to treat glaucoma. Julian later developed efficient methods for producing medically useful compounds from plant materials. His industrial research helped make important substances available in larger quantities and at lower cost.[1]

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Julian and colleague Josef Pikl achieved the laboratory synthesis of physostigmine, a compound used to treat glaucoma. Julian later developed efficient methods for producing medically useful compounds from plant materials. His industrial research helped make important substances available in larger quantities and at lower cost.[1]

Local connection. National-to-local curriculum connection: study plants as sources of useful materials while distinguishing a plant from a tested medicine. No California career connection is claimed.

Impact reached: International medicine production; Chemistry students and researchers. (Impact describes who was reached; it is not a place of residence.)

Inquiry & making

Inquiry and making prompt

Make a picture chart of things people obtain from plants, such as paper, food, and fibers. What questions could a chemist ask about them?

Places

Where Percy was born, had roots or studied, and worked — distinguished from where their impact reached.

Born
Montgomery, Alabama
Roots / education
DePauw University, Greencastle, Indiana; University of Vienna, Austria
Worked
Greencastle, Indiana; Chicago area, Illinois; Washington, D.C.
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Mapped places for Percy Julian
RelationshipDocumented placeMap pointSources
BirthplaceMontgomery, AlabamaMontgomery city, ALCensus representative point[1]
Roots / educationDePauw University, Greencastle, IndianaGreencastle city, INCensus representative point[1]
WorkGreencastle, IndianaGreencastle city, INCensus representative point[1]
WorkChicago area, IllinoisChicago city, ILCensus representative point[1]
WorkWashington, D.C.Washington city, DCCensus representative point[1]
Roots / educationUniversity of Vienna, AustriaNot mapped — Foreign location retained in biography; no coordinate supplied in this U.S. proximity edition.

Timeline

  1. 1899

    Born — Montgomery, Alabama[1]

  2. 1975

    Died[1]

Gallery

Portrait only in this edition; no reuse-supported contextual media has been verified for this figure yet.

Percy Julian: Historical photograph
Percy Julian — portraitHistorical photograph.Credit: National Inventors Hall of Fame portrait; original photographer not identified on inspected pageLicense / rights: Classroom review: rights not verified.Source recordOriginal-quality file

References

  1. [1]
    American Chemical Society: Percy L. Julian and the Synthesis of Physostigmine

    Supports: Dates, birthplace, collaboration with Pikl, chemical synthesis, Chicago industrial work, image credit.

Last reviewed 2026-11-08 · Initial research edition · Record ID percy-julian. A curated, source-informed article — not openly editable and not independently scholar-reviewed. Corrections process.