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14 flagships · 25 briefs staged (weekly from Oct 13) · 9 dossiers · 25 guides · 2,822 entities — record updated October 6, 2026

Jack L. Cooper

CTL-E-4803 · Person · dj · 1888–1970

VERIFIED evidence grade of this record

First African American radio announcer and disc jockey ('undisputed patriarch of Black radio'); created The All-Negro Hour (debut Nov 3, 1929) and Search for Missing Persons (1938) on Chicago's WSBC; vaudeville performer and Chicago Defender columnist; inducted into the Radio Hall of Fame in 2012.

The record

Notes

RELP111 supporting: creator of focal practice CTL-E-1275. Distinct from existing CTL-E-1274 (the program entity 'Jack L. Cooper and The All-Negro Hour').

Relationships

Referenced by

Sources

Record CTL-E-4803 · CultureTechLens Knowledge Graph · evidence grade: VERIFIED · 2 sources · 9 mapped relationships · CTL research: RELP-001.
Directory: all entity records · the knowledge graph

Cite this record

Cite as: CultureTechLens, “Jack L. Cooper (CTL-E-4803),” CultureTechLens Knowledge Graph, October 2026. https://culturetechlens.com/graph/entities/ctl-e-4803/

Chicago: CultureTechLens. “Jack L. Cooper (CTL-E-4803).” CultureTechLens Knowledge Graph. Chicago, IL: CultureTechLens, 2026. https://culturetechlens.com/graph/entities/ctl-e-4803/
APA: CultureTechLens. (2026). Jack L. Cooper (CTL-E-4803) [Entity record]. CultureTechLens Knowledge Graph. https://culturetechlens.com/graph/entities/ctl-e-4803/
MLA: CultureTechLens. “Jack L. Cooper (CTL-E-4803).” CultureTechLens Knowledge Graph, 2026, https://culturetechlens.com/graph/entities/ctl-e-4803/

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From the Archive

The archive in pictures

The people, places, and institutions this work documents. Photographs from the CultureTechLens research record — rights-cleared, credited, and cited like everything else here.

Negro grocery store, Black Belt, Chicago, Illinois, Chicago, 1941
Negro grocery store, Black Belt, Chicago, Illinois, Chicago, 1941Photo: Rosskam, Edwin, 1903-1985, FSA-OWI, Public Domain, via Library of Congress
Shoeshine, 47th Street, Chicago's main Negro business street, Chicago, Illinois, Chicago, 1941
Shoeshine, 47th Street, Chicago's main Negro business street, Chicago, Illinois, Chicago, 1941Photo: Rosskam, Edwin, 1903-1985, FSA-OWI, Public Domain, via Library of Congress
Where the Negro and white sections on the South Side meet, the white and Negro children sometimes play together, Chicago, Illinois, Chicago, 1941
Where the Negro and white sections on the South Side meet, the white and Negro children sometimes play together, Chicago, Illinois, Chicago, 1941Photo: Lee, Russell, 1903-1986, FSA-OWI, Public Domain, via Library of Congress

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