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THE PEOPLE & THE RECORD

Black people who built and ran computing

Expanded history12 sourced episodes

Black computing history includes paid operators, scientific programmers, researchers, educators and technical leaders. These records name people and workplaces, explain what changed, and distinguish a documented appointment from a pathway that still needs evidence.

Field records. A connection to your workplace needs its own evidence.

Scope & research limits

Twelve selected episodes in U.S. computing, from Langley’s segregated computing unit to Google reliability engineering. Programming, hardware design, systems administration and reliability are different kinds of work. An institutional biography or first-person account does not establish equal access, an individual reader’s hiring history or an unbroken path between employers.

See 5 named workplaces & the evidence ↓
Find a person or decision 12 episodes
  1. 1949–195801

    Dorothy Vaughan leads a computing unit, then moves into programming

    Dorothy Vaughan and Langley’s West Area Computers

    After the unit closed, she joined the integrated Analysis and Computation Division and became an expert FORTRAN programmer.

    NASA · Dorothy Vaughan
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    Black women at Langley worked in a separate unit with segregated dining and bathrooms.
    Who made the decision
    NACA promoted Vaughan in 1949; its successor NASA ended the segregated computing units in 1958.
    What changed
    Vaughan became West Area Computing’s section head—the first Black supervisor at NACA, according to NASA.
    Where the evidence stops
    NASA also records that she sought but did not receive another management position. Integration of the unit did not guarantee advancement; this is Langley’s history, not every NASA center’s.
    • NASA · Dorothy Vaughan ↗

      Federal institutional biography

      Supports The specific promotion, segregation, division transfer, programming work and later advancement limit.

      Where to look Biography paragraphs on the 1949 promotion, West Area conditions, 1958 reorganization and later management applications

  2. 195102

    Joe Thompson enters computing through paid work at MIT

    Joseph “Joe” Thompson

    He later programmed SAGE at RAND and eventually advanced to branch leadership during his career.

    Computer History Museum · Trailblazers and Change Agents
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    The Computer History Museum identifies Thompson as the first Black employee on Whirlwind's early staff.
    Who made the decision
    MIT's Whirlwind project; the museum account does not name the hiring official.
    What changed
    MIT recruited him into a route combining study with paid nighttime work operating and programming Whirlwind.
    Where the evidence stops
    This establishes operations and programming work, not a modern DevOps or SRE title or a direct connection to your employer.
  3. 1955–198903

    Annie Easley moves from hand calculations into scientific code

    Annie Easley

    She wrote code for energy research and Centaur work, and later served as an equal-employment-opportunity counselor.

    NASA · Annie Easley
    Decision, outcome & evidence 2 sources
    Barrier or decision at stake
    NASA records that she was one of four Black employees at the laboratory when hired.
    Who made the decision
    NACA’s Cleveland laboratory hired Easley in 1955; the biography does not identify her appointing official.
    What changed
    Initially a human computer, Easley adapted to electronic computing, using Fortran and Symbolic Optimal Assembly Program (SOAP).
    Where the evidence stops
    Her 2001 interview describes changing tools and addressing discrimination. It is personal testimony, not a payroll study or proof that every complaint was resolved. Her workplace was the Cleveland laboratory, not Langley.
    • NASA · Annie Easley ↗

      Federal institutional biography

      Supports Her appointment, programming transition, research assignments and counseling role.

      Where to look Biography paragraphs beginning with her 1955 hiring; electronic computing, Fortran/SOAP, energy research and EEO counseling

    • NASA · Annie Easley oral history ↗

      First-person oral-history excerpt

      Supports Easley’s recollection of moving from calculators to programs and of raising workplace inequality with management; the complete transcript was not reviewed.

      Where to look Sandra Johnson interview, Cleveland, August 21, 2001; published excerpts on human computing, computer programming and equality

  4. 1956–1980s04

    Gladys West programs the models behind more accurate navigation

    Gladys Mae Brown West and her Dahlgren colleagues

    The Defense Department identifies her IBM 7030 programming in the 1970s–1980s as work that contributed to the models used for GPS satellite orbits.

    U.S. Department of Defense · Navy Scientist Helped Develop GPS
    Decision, outcome & evidence 2 sources
    Barrier or decision at stake
    The Smithsonian describes the segregated education and restricted employment choices she faced before entering federal scientific work.
    Who made the decision
    The U.S. Navy hired West at the Naval Proving Ground in Dahlgren, Virginia, in 1956.
    What changed
    West entered mathematical programming at Dahlgren and later used satellite data and computer models to refine the shape of the Earth.
    Where the evidence stops
    This was a team contribution to geodesy and navigation, not sole invention of GPS. It connects to Dahlgren scientific computing, not every Navy job, NASA or a modern cloud-operations title.
  5. 1965–196605

    Roy Clay leads software work for Hewlett-Packard’s first computer

    Roy Clay and the HP 2116A design team

    HP introduced the computer in 1966. Clay’s documented role combines hands-on programming with technical leadership.

    Hewlett-Packard Company Archives · Roy Clay
    Decision, outcome & evidence 2 sources
    Barrier or decision at stake
    The archive identifies Clay as HP’s highest-ranking Black employee for a period; it does not quantify Black hiring before or after his appointment.
    Who made the decision
    Dave Packard personally recruited Clay in 1965, according to the Hewlett-Packard Company Archives.
    What changed
    Clay helped establish HP’s first computer division, led the 2116A design team and wrote its software.
    Where the evidence stops
    This is a specific appointment at the historical Hewlett-Packard company. A link to a present-day HP or HPE workplace needs its own organizational and employment records.
    • Hewlett-Packard Company Archives · Roy Clay ↗

      Corporate archive history

      Supports Packard’s recruitment, Clay’s team and software responsibilities, and the archive’s scoped seniority claim.

      Where to look Main biographical paragraph; 1965 recruitment and 2116A team. The item’s 1968 date describes the photograph, not the hiring year.

    • Hewlett-Packard Company Archives · The HP 2116 ↗

      Corporate product history

      Supports The computer’s 1966 introduction, not an employment outcome for other workers.

      Where to look Opening paragraph: introduction in 1966; separate from the item’s 1969 photograph date

  6. 196906

    Clarence Ellis earns a computer-science doctorate

    Clarence “Skip” Ellis

    From 1976 to 1984 he worked at Xerox PARC, leading the group that developed Officetalk for remote collaboration.

    University of Illinois · Clarence “Skip” Ellis
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    The university identifies Ellis as the first Black American to earn a computer-science PhD; it does not document a specific admissions rule he changed.
    Who made the decision
    University of Illinois, the degree-granting institution.
    What changed
    Ellis completed doctoral work while contributing to the ILLIAC IV supercomputer's hardware, software and applications.
    Where the evidence stops
    This documents a degree and a later research appointment. It does not establish equal access or connect another employer—or a later owner of PARC—to Ellis’s team.
  7. 1970–198007

    Howard builds a formal computer-science route

    Howard University's students, faculty and academic leadership

    Computing became an established field of study within Howard's academic structure.

    Howard University College of Engineering and Architecture · Our History
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    Howard describes educating Black engineers as its institutional mission; this account does not document individual students' admissions barriers.
    Who made the decision
    Howard University; the college history does not name the approving official or a single founding year.
    What changed
    The university inaugurated a computer-science program during the 1970–1980 period and integrated it into its engineering school.
    Where the evidence stops
    The history verifies program development, not graduate placement totals or a hiring relationship with a particular employer.
  8. 198108

    Mark Dean helps design the architecture of the IBM PC

    Mark Dean, Dennis Moeller and IBM’s PC development team

    IBM released its PC in August 1981; Dean’s work is recognized in the National Inventors Hall of Fame’s account of the microcomputer bus-control system.

    IBM · The personal computer
    Decision, outcome & evidence 2 sources
    Barrier or decision at stake
    A Black engineer’s documented product responsibility shows participation in technical decision-making; these sources do not identify a hiring rule changed by the project.
    Who made the decision
    IBM CEO Frank Cary authorized the PC effort; Don Estridge led Project Chess after Bill Lowe’s initial proposal.
    What changed
    Dean and Moeller developed the peripheral bus that allowed devices to connect to the computer.
    Where the evidence stops
    This is hardware and computer-architecture context. It does not establish a software, support or SRE hiring pathway, or connect the reader to the original PC team.
    • IBM · The personal computer ↗

      Corporate institutional history

      Supports The project authorization, leadership, Dean–Moeller bus contribution and product launch.

      Where to look Project Chess, development-team and ISA-bus passages; August 12, 1981 launch

    • National Inventors Hall of Fame · Mark Dean ↗

      Inventor recognition record

      Supports Dean and Moeller’s bus-control contribution. The 1981 product date is not presented as the patent issue date.

      Where to look Microcomputer System with Bus Control Means for Peripheral Processing Devices; biography and patent 4,528,626 listing

  9. 1982–201409

    Marian Croak helps move voice communications onto data networks

    Marian Croak and Bell Labs / AT&T engineering teams

    Before leaving AT&T in 2014, she became senior vice president of Applications and Services Infrastructure, with responsibility for large scientific and engineering teams.

    Lemelson-MIT · Marian Croak
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    Entry into research and later authority over engineering programs were separate career steps; the source does not identify a formal racial hiring rule she overturned.
    Who made the decision
    Bell Labs hired Croak in 1982; the institutional biography does not name the hiring official.
    What changed
    Croak worked on technologies that allowed voice and data to share internet-based networks.
    Where the evidence stops
    This documents telecommunications innovation and technical leadership. It is not a claim that she invented all VoIP technology, that every worker gained access, or that today’s Bell Labs and AT&T share one employment history.
    • Lemelson-MIT · Marian Croak ↗

      Institutional inventor biography

      Supports The starting employer, technical field and subsequent AT&T leadership responsibilities.

      Where to look Biography paragraphs on 1982 Bell Labs entry, voice/data work and AT&T leadership before 2014

  10. 198610

    Jesse Bemley and BDPA create a student programming route

    Dr. Jesse Bemley and Black Data Processing Associates members

    BDPA reports that the program has exposed tens of thousands of high-school students to coding and offered routes to scholarships.

    BDPA · About Us
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    BDPA organized practical technical education and professional connections for aspiring students; this source does not measure each participant's prior access.
    Who made the decision
    BDPA established its student education program; its history credits Bemley with founding the high-school computer competition.
    What changed
    Students could develop programming and application-building skills through chapter training and a national competition.
    Where the evidence stops
    That is the organization's reported educational reach, not independently verified job-placement or promotion data.
    • BDPA · About Us ↗

      Program provider history

      Supports The 1986 program, Bemley’s role and BDPA’s own account of educational reach.

      Where to look Our History; What Does BDPA Offer? → High School Programs

  11. 2017–201811

    Howard West connects study with an engineering workplace

    Howard students, Howard faculty and Google engineers

    In September 2018, Google reported that 26 students completed the pilot and half had obtained engineering internships at Google or elsewhere in the industry.

    Google · Tech Exchange brings Black and Latinx students to Google
    Decision, outcome & evidence 1 source
    Barrier or decision at stake
    The partnership addressed access to applied computer-science study and professional experience for students from historically Black institutions.
    Who made the decision
    Howard University and Google jointly ran the Howard West pilot.
    What changed
    The 2017 pilot provided a three-month computer-science education program at Google.
    Where the evidence stops
    This is Google's report of one cohort. Internships are not permanent jobs, and participation is not evidence of a connection to an individual reader.
  12. 2020 · interview12

    Marian Croak describes leading reliability engineering at Google

    Marian Croak

    Her account documents Black leadership in reliability engineering itself.

    USPTO · Positively connected
    Decision, outcome & evidence 2 sources
    Barrier or decision at stake
    Croak also described leading a Black employee group working on racial equity.
    Who made the decision
    Google; the interview does not name the appointing official.
    What changed
    She led engineering teams improving systems behind YouTube, advertising and other Google services.
    Where the evidence stops
    This 2020 account is not her current job status, proof of equal access or evidence of the reader’s hiring route.
    • USPTO · Positively connected ↗

      First-person interview

      Supports Her reliability responsibilities and Black leadership role at the interview date.

      Where to look Lauren Emanuel interview; question “What are you working on now?” and Croak’s next two answers

    • USPTO · Marian Croak program announcement ↗

      Federal announcement

      Supports Dates the interview to 2020; it is not a new 2023 appointment record.

      Where to look August 17, 2023 release; paragraph identifying the linked 2020 Journeys of Innovation profile

PLACE BY PLACE

At specific workplaces

These records name an institution, school or employer. Open one to see what connects, what changed and what still needs evidence.

Google
Massachusetts Institute of TechnologyCambridge, MA
NASA Langley Research CenterHampton, VA · NASA
  • 1949–1958

    Langley’s segregated unit to integrated computation

    Dorothy Vaughan supervised computing at Langley and later programmed in its integrated computation division.

    Where the connection stops This identifies Langley’s predecessor NACA workplace. It does not establish access at other NASA centers or a current employee’s hiring route.

    NASA · Dorothy Vaughan ↗ Read the person, decision & full evidence ↑
NASA Glenn Research CenterCleveland, OH · NASA
GoogleAlphabet
  • 2020 · interview · Reliability engineering

    Black leadership in Google’s reliability teams

    In a 2020 interview, Marian Croak described leading reliability-engineering teams at Google.

    Where the connection stops The interview supports this specific technical leadership role. It does not establish her current position, a particular Google office or your hiring route.

    USPTO · Positively connected ↗ Read the person, decision & full evidence ↑
Field history1969

Doctorate in computer science

Clarence “Skip” Ellis

Ellis earned his doctorate at the University of Illinois, which identifies him as the first Black American to earn a PhD in computer science.

At Illinois he worked on the ILLIAC IV supercomputer, including its software. His record connects to software work through that project.

01
ORIGIN / Institutions in this record
Context & scope

Education, research and employer opportunities

Commercial software in the 20th century

Context, scope & sources

The growth of packaged software created jobs in firms that sold code and services. Computing also grew inside research institutions and public agencies. Commercial demand is one documented route. Its weight in the history of Black software careers needs further review.

02
GATE / Separate decisions shape access
Context & scope

Technical preparation and employer hiring

Current software hiring

Context, scope & sources

Employers across industries hire software developers, usually looking for technical preparation and often a degree. The market label refers to selection by employers. Large firms, small contractors and public employers make separate hiring decisions.

03
TREND / MEASURED

Representation over time

Employed workforce

Black maleBlack female

Coverage 2006–2024. Dots mark reported years. Gaps stay open.

2006–2009 definition. Computer software engineers. Black or African American alone (RAC1P=2), any Hispanic origin or birthplace. Denominator: all U.S. civilian employed people age 16+ in this occupation (ESR=1 or 2; 50 states and DC). Weighted by ACS person weight PWGTP. OCCP: 1020.

2010–2017 definition. Applications and systems software developers. Black or African American alone (RAC1P=2), any Hispanic origin or birthplace. Denominator: all U.S. civilian employed people age 16+ in this occupation (ESR=1 or 2; 50 states and DC). Weighted by ACS person weight PWGTP. OCCP: 1020.

2018–2024 definition. Software developers. Black or African American alone (RAC1P=2), any Hispanic origin or birthplace. Denominator: all U.S. civilian employed people age 16+ in this occupation (ESR=1 or 2; 50 states and DC). Weighted by ACS person weight PWGTP. OCCP: 1021.

All definitions & source tables

Computer software engineers. Black or African American alone (RAC1P=2), any Hispanic origin or birthplace. Denominator: all U.S. civilian employed people age 16+ in this occupation (ESR=1 or 2; 50 states and DC). Weighted by ACS person weight PWGTP. OCCP: 1020.

Applications and systems software developers. Black or African American alone (RAC1P=2), any Hispanic origin or birthplace. Denominator: all U.S. civilian employed people age 16+ in this occupation (ESR=1 or 2; 50 states and DC). Weighted by ACS person weight PWGTP. OCCP: 1020.

Software developers. Black or African American alone (RAC1P=2), any Hispanic origin or birthplace. Denominator: all U.S. civilian employed people age 16+ in this occupation (ESR=1 or 2; 50 states and DC). Weighted by ACS person weight PWGTP. OCCP: 1021.

View the numbers
YearGroupEstimateSource table
2024Black female1.2%±0.1 pp (90% margin)2024 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2024Black male4.1%±0.4 pp (90% margin)2024 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2023Black female1.1%±0.2 pp (90% margin)2023 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2023Black male4.0%±0.3 pp (90% margin)2023 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2022Black female1.3%±0.2 pp (90% margin)2022 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2022Black male4.1%±0.4 pp (90% margin)2022 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2021Black female0.9%±0.2 pp (90% margin)2021 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2021Black male2.6%±0.3 pp (90% margin)2021 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2019Black female1.2%±0.2 pp (90% margin)2019 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2019Black male3.0%±0.3 pp (90% margin)2019 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2018Black female1.2%±0.2 pp (90% margin)2018 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2018Black male2.9%±0.3 pp (90% margin)2018 ACS 1-year PUMS, U.S. person file • Software developers by race and sex
2017Black female1.2%±0.2 pp (90% margin)2017 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2017Black male3.4%±0.4 pp (90% margin)2017 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2016Black female1.2%±0.2 pp (90% margin)2016 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2016Black male3.2%±0.4 pp (90% margin)2016 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2015Black female1.2%±0.2 pp (90% margin)2015 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2015Black male3.0%±0.3 pp (90% margin)2015 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2014Black female1.6%±0.2 pp (90% margin)2014 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2014Black male2.8%±0.3 pp (90% margin)2014 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2013Black female1.1%±0.2 pp (90% margin)2013 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2013Black male2.6%±0.4 pp (90% margin)2013 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2012Black female1.7%±0.2 pp (90% margin)2012 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2012Black male3.0%±0.4 pp (90% margin)2012 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2011Black female1.7%±0.3 pp (90% margin)2011 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2011Black male3.5%±0.5 pp (90% margin)2011 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2010Black female1.8%±0.3 pp (90% margin)2010 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2010Black male2.5%±0.3 pp (90% margin)2010 ACS 1-year PUMS, U.S. person file • Applications and systems software developers by race and sex
2009Black female1.6%±0.3 pp (90% margin)2009 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2009Black male2.8%±0.4 pp (90% margin)2009 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2008Black female1.6%±0.3 pp (90% margin)2008 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2008Black male3.0%±0.4 pp (90% margin)2008 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2007Black female1.5%±0.3 pp (90% margin)2007 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2007Black male3.1%±0.5 pp (90% margin)2007 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2006Black female1.5%±0.3 pp (90% margin)2006 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
2006Black male2.9%±0.4 pp (90% margin)2006 ACS 1-year PUMS, U.S. person file • Computer software engineers by race and sex
04
RESEARCH QUESTION

Which records connect Black technical work to a specific role, hiring route or promotion?

Field history is not proof of an individual hiring route.

See what is still open ↗
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Software engineer

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