The DuSable Black History Museum’s Harold Washington Wing, Chicago
Research Dossiers

Photo: TonyTheTiger, CC BY-SA 3.0, via Wikimedia Commons

Research

Research Dossiers

A CultureTechLens research dossier is an entity-establishing investigation: a 34-section examination of a single entity with a claim ledger, a graded relationship layer, and a companion evidence file. Dossiers build the authoritative record for one person, organization, place, object, event, institution, or media entity in Black cultural history — and every claim carries an evidence grade, from VERIFIED to UNRESOLVED.

Johnson Publishing Company (JPC)

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The Johnson Publishing Company was a Chicago-based Black-owned publishing company founded in November 1942 by John H. Johnson, publisher of Negro Digest (1942), Ebony (1945), Jet (1951), Tan/Tan Confessions, Black World, and other titles, and owner-operator of Fashion Fair Cosmetics, the Ebony Fashion Fair traveling show, WJPC radio, and the JPC Book Division. It operated continuously for 77 years and ended in a Chapter 7 bankruptcy liquidation filed April 9, 2019, in Chicago (Case 19-10236, N.D. Ill.).

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The E2 Nightclub Tragedy (E2 Nightclub Stampede)

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In the early morning hours of Monday, February 17, 2003, panic set off by a security guard's use of pepper spray during a fight caused a fatal crowd crush in the stairwell of the E2 nightclub at 2347 S. Michigan Avenue, Chicago, killing 21 patrons and injuring more than 50.

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Chicago Defender

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The Chicago Defender is the historic Black newspaper founded in 1905 by Robert Sengstacke Abbott in Chicago; a national weekly 1905–1956, a daily 1956–c.2008, a weekly c.2008–2019, and digital-only from July 2019.

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WVON (1450 AM / 1390 AM / 1450 AM / 1690 AM — call sign continuous since 1963)

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WVON is Chicago's heritage Black radio station — launched April 1, 1963 by Chess Records owners Leonard and Phil Chess as "The Voice of the Negro," now "The Voice of the Nation," a Black-owned talk station operated by Midway Broadcasting Corporation on 1690 AM.

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Chess Records

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Chess Records was the Chicago independent record label founded in 1950 by Polish-Jewish immigrant brothers Leonard and Phil Chess, whose blues, R&B, and rock-and-roll recordings — by Muddy Waters, Howlin' Wolf, Chuck Berry, Bo Diddley, Etta James, Willie Dixon, and others — defined the sound of Chicago blues and shaped rock and roll worldwide.

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The Afro Pick

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The afro pick is a wide-toothed comb with long teeth and an easily-gripped handle, designed for styling coily hair, that became a mass-produced American consumer product in the 1960s–1970s and a documented symbol of Black pride and identity.

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Ida Bell Wells-Barnett (née Ida Bell Wells)

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Ida B. Wells (1862–1931) was an African American investigative journalist, newspaper owner and editor, anti-lynching investigator, suffragist, and community organizer whose Memphis and Chicago careers built the documentary foundation of the American anti-lynching movement.

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Washington Park (community area), Chicago, Illinois

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Washington Park is a South Side Chicago community area anchored by the 372-acre Olmsted-designed park of the same name, which became an overwhelmingly Black neighborhood during the Great Migration and remains one of Chicago's most historically significant Black cultural landscapes.

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Cite as: CultureTechLens, "Research Dossiers," 2026-09-30.

Source: CultureTechLens

Trust & evidence

Evidence before authority. CultureTechLens publishes its methods, its limits, and its corrections alongside its findings. Claims carry grades — VERIFIED, SUPPORTED, PROVISIONAL, DISPUTED, UNRESOLVED — and unknowns are never reported as zero.