World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
66
Citations
21419
World Ranking
2286
National Ranking
1143

Richard E. Ladner publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Richard E. Ladner sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 295 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Richard E. Ladner D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Richard E. Ladner sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 66 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Research.com Recognitions

  • 2009 - IEEE Fellow For contributions to computational complexity, algorithms, data compression and accessible computing
  • 1995 - ACM Fellow For seminal and significant contributions in theoretical computer science research.
  • 1985 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Richard E. Ladner is affiliated with the University of Washington in the United States. Their work primarily focuses on fields intersecting computer science and social sciences, with notable contributions in human factors and ergonomics, occupational therapy, human-computer interaction, developmental and educational psychology, and artificial intelligence.

The scientist's research extensively covers topics related to digital accessibility for disabilities, assistive technology in communication and mobility, hearing impairment and communication, hand gesture recognition systems, tactile and sensory interactions, speech and dialogue systems, and text readability and simplification.

Frequent publication venues for their work include:

  • arXiv (Cornell University)
  • ACM Transactions on Accessible Computing
  • Communications of the ACM
  • International Journal of Human-Computer Interaction
  • Proceedings of the International AAAI Conference on Web and Social Media

Some of the recent papers authored or co-authored by Richard E. Ladner are:

  • The FATE Landscape of Sign Language AI Datasets, 2021, ACM Transactions on Accessible Computing
  • ASL Citizen: A Community-Sourced Dataset for Advancing Isolated Sign Language Recognition, 2023, arXiv (Cornell University)
  • Expanding a Large Inclusive Study of Human Listening Rates, 2021, ACM Transactions on Accessible Computing
  • ASL-STEM Forum: A Bottom-Up Approach to Enabling American Sign Language to Grow in STEM Fields, 2021, Proceedings of the International AAAI Conference on Web and Social Media
  • Broadening participation by teaching accessibility, 2021, Communications of the ACM

Frequent collaborators include Danielle Bragg, Naomi Caselli, Raja Kushalnagar, Shaun K. Kane, and Clayton Lewis.

The scientist has received several awards, including:

  • IEEE Fellow in 2009 for contributions to computational complexity, algorithms, data compression, and accessible computing
  • ACM Fellow in 1995 for seminal and significant contributions in theoretical computer science research
  • Fellow of John Simon Guggenheim Memorial Foundation in 1985

Best Publications

  • Improving Generalization with Active Learning

    David Cohn;Les Atlas;Richard Ladner

  • Parallel Prefix Computation

    Richard E. Ladner;Michael J. Fischer

  • Propositional dynamic logic of regular programs

    Michael J. Fischer;Richard E. Ladner

  • On the Structure of Polynomial Time Reducibility

    Richard E. Ladner

  • The Computational Complexity of Provability in Systems of Modal Propositional Logic

    Richard E. Ladner

  • Unequal loss protection: graceful degradation of image quality over packet erasure channels through forward error correction

    A.E. Mohr;E.A. Riskin;R.E. Ladner

  • A comparison of polynomial time reducibilities

    Richard E. Ladner;Nancy A. Lynch;Alan L. Selman

  • Comparison of polynomial-time reducibilities

    Richard Ladner;Nancy Lynch;Alan Selman

  • Freedom to roam: a study of mobile device adoption and accessibility for people with visual and motor disabilities

    Shaun K. Kane;Chandrika Jayant;Jacob O. Wobbrock;Richard E. Ladner

  • The circuit value problem is log space complete for P

    Richard E. Ladner

  • Usable gestures for blind people: understanding preference and performance

    Shaun K. Kane;Jacob O. Wobbrock;Richard E. Ladner

  • Training Connectionist Networks with Queries and Selective Sampling

    Les E. Atlas;David A. Cohn;Richard E. Ladner

  • Proceedings of the 40th annual ACM symposium on Theory of computing

    Richard Ladner;Cynthia Dwork

  • The influence of caches on the performance of sorting

    Anthony LaMarca;Richard E. Ladner

  • Propositional modal logic of programs

    Michael J. Fischer;Richard E. Ladner

  • WebInSight: making web images accessible

    Jeffrey P. Bigham;Ryan S. Kaminsky;Richard E. Ladner;Oscar M. Danielsson

  • Relativization of questions about log space computability

    Richard E. Ladner;Nancy A. Lynch

  • WebinSitu: a comparative analysis of blind and sighted browsing behavior

    Jeffrey P. Bigham;Anna C. Cavender;Jeremy T. Brudvik;Jacob O. Wobbrock

  • Design for user empowerment

    Richard E. Ladner

  • Enhancing independence and safety for blind and deaf-blind public transit riders

    Shiri Azenkot;Sanjana Prasain;Alan Borning;Emily Fortuna

  • The Influence of Caches on the Performance of Sorting U

    Anthony LaMarca;Richard E. Ladner

Frequent Co-Authors

Eve A. Riskin
Eve A. Riskin University of Washington
Jacob O. Wobbrock
Jacob O. Wobbrock University of Washington
Amotz Bar-Noy
Amotz Bar-Noy City University of New York
Jeffrey P. Bigham
Jeffrey P. Bigham Carnegie Mellon University
Anthony LaMarca
Anthony LaMarca Intel (United States)
Shaun K. Kane
Shaun K. Kane Google (United States)
Anne Condon
Anne Condon University of British Columbia
Howard Karloff
Howard Karloff Amazon (United States)
Les Atlas
Les Atlas University of Washington
Ewan Tempero
Ewan Tempero University of Auckland

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