World's Best Scientists 2026 revealed!
John J. Leonard

John J. Leonard

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Mechanical and Aerospace Engineering
USA
2026

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
80
Citations
35342
World Ranking
206
National Ranking
102

Computer Science

D-Index
82
Citations
36467
World Ranking
940
National Ranking
514

John J. Leonard publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where John J. Leonard sits on this spectrum.

47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47 publications 659+

This scientist: 354 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

John J. Leonard D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where John J. Leonard sits on this spectrum.

30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 80 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Mechanical and Aerospace Engineering in United States Leader Award

Best Publications

  • Past, Present, and Future of Simultaneous Localization and Mapping: Toward the Robust-Perception Age

    Cesar Cadena;Luca Carlone;Henry Carrillo;Yasir Latif

  • Mobile robot localization by tracking geometric beacons

    J.J. Leonard;H.F. Durrant-Whyte

  • iSAM2: Incremental smoothing and mapping using the Bayes tree

    Michael Kaess;Hordur Johannsson;Richard Roberts;Viorela Ila

  • Robust distributed network localization with noisy range measurements

    David Moore;John Leonard;Daniela Rus;Seth Teller

  • Directed Sonar Sensing for Mobile Robot Navigation

    John J. Leonard;Hugh F. Durrant-Whyte

  • Simultaneous map building and localization for an autonomous mobile robot

    J.J. Leonard;H.F. Durrant-Whyte

  • Visual Place Recognition: A Survey

    Stephanie Lowry;Niko Sunderhauf;Paul Newman;John J. Leonard

  • Robust Mapping and Localization in Indoor Environments Using Sonar Data

    Juan D. Tardós;José Neira;Paul M. Newman;John J. Leonard

  • Dynamic map building for an autonomous mobile robot

    John J. Leonard;Hugh F. Durrant-Whyte;Ingemar J. Cox

  • Fast iterative alignment of pose graphs with poor initial estimates

    E. Olson;J. Leonard;S. Teller

  • Kintinuous: Spatially Extended KinectFusion

    Thomas Whelan;Michael Kaess;Maurice Fallon;Hordur Johannsson

  • A perception-driven autonomous urban vehicle

    John Leonard;Jonathan How;Seth Teller;Mitch Berger

  • Real-time large-scale dense RGB-D SLAM with volumetric fusion

    Thomas Whelan;Michael Kaess;Hordur Johannsson;Maurice Fallon

  • An Atlas framework for scalable mapping

    M. Bosse;P. Newman;J. Leonard;M. Soika

  • Robust real-time visual odometry for dense RGB-D mapping

    Thomas Whelan;Hordur Johannsson;Michael Kaess;John J. Leonard

  • Adaptive Mobile Robot Navigation and Mapping

    Hans Jacob S. Feder;John J. Leonard;Christopher M. Smith

  • Autonomous Underwater Vehicle Navigation

    John J. Leonard;Alexander Bahr

  • Simultaneous Localization and Map Building in Large-Scale Cyclic Environments Using the Atlas Framework

    Michael Bosse;Paul M. Newman;John J. Leonard;Seth J. Teller

  • Robust Range-Only Beacon Localization

    E. Olson;J.J. Leonard;S. Teller

  • A Computationally Efficient Method for Large-Scale Concurrent Mapping and Localization

    John J. Leonard;Hans Jacob S. Feder

Frequent Co-Authors

Michael Kaess
Michael Kaess Carnegie Mellon University
Paul Newman
Paul Newman University of Oxford
Matthew R. Walter
Matthew R. Walter Toyota Technological Institute at Chicago
Guoquan Huang
Guoquan Huang University of Delaware
Hugh Durrant-Whyte
Hugh Durrant-Whyte University of Sydney
Edwin Olson
Edwin Olson University of Michigan–Ann Arbor
Ryan M. Eustice
Ryan M. Eustice University of Michigan–Ann Arbor

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