World's Best Scientists 2026 revealed!
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Garth D. Illingworth
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Physics
USA
2026

D-Index & Metrics

Physics

D-Index
172
Citations
95255
World Ranking
138
National Ranking
91

Garth D. Illingworth publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Garth D. Illingworth sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 733 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Garth D. Illingworth D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Garth D. Illingworth sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 172 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Physics in United States Leader Award
  • 2025 - Research.com Physics in United States Leader Award

Overview

Garth D. Illingworth is affiliated with the University of California, Santa Cruz in the United States. Their research focuses primarily on Physics and Astronomy, with significant contributions in subfields such as Astronomy and Astrophysics, Instrumentation, Atomic and Molecular Physics and Optics, Computational Mechanics, and Nuclear and High Energy Physics.

The main topics of Illingworth's work include:

  • Galaxies: Formation, Evolution, Phenomena
  • Astronomy and Astrophysical Research
  • Gamma-ray bursts and supernovae
  • Stellar, planetary, and galactic studies
  • Astrophysics and Star Formation Studies
  • Adaptive optics and wavefront sensing
  • Astronomical Observations and Instrumentation

Selected recent papers by Illingworth include:

  • "Two Remarkably Luminous Galaxy Candidates at z ≈ 10-12 Revealed by JWST," 2022, The Astrophysical Journal Letters
  • "Little Red Dots: An Abundant Population of Faint Active Galactic Nuclei at z ∼ 5 Revealed by the EIGER and FRESCO JWST Surveys," 2024, The Astrophysical Journal
  • "The JWST FRESCO survey: legacy NIRCam/grism spectroscopy and imaging in the two GOODS fields," 2023, Monthly Notices of the Royal Astronomical Society
  • "Galaxy Stellar Mass Functions from z ∼ 10 to z ∼ 6 using the Deepest Spitzer/Infrared Array Camera Data: No Significant Evolution in the Stellar-to-halo Mass Ratio of Galaxies in the First Gigayear of Cosmic Time," 2021, The Astrophysical Journal
  • "Evolution of the UV LF from z ∼ 15 to z ∼ 8 using new JWST NIRCam medium-band observations over the HUDF/XDF," 2023, Monthly Notices of the Royal Astronomical Society

Frequent co-authors collaborating with Illingworth are:

  • Pascal A. Oesch
  • R. J. Bouwens
  • Mauro Stefanon
  • Ivo Labbé
  • Rohan P. Naidu

Illingworth's works have been published in various prominent venues, including:

  • arXiv (Cornell University)
  • Monthly Notices of the Royal Astronomical Society
  • The Astrophysical Journal
  • The Astrophysical Journal Letters
  • Astronomy and Astrophysics

Best Publications

  • Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant

    Wendy L. Freedman;Barry F. Madore;Barry F. Madore;Brad K. Gibson;Laura Ferrarese

  • The Photometric Performance and Calibration of the HST Advanced Camera For Surveys

    M. Sirianni;M. Sirianni;M. Sirianni;M. J. Jee;N. Benitez;J. P. Blakeslee

  • UV Luminosity Functions at redshifts z~4 to z~10: 10000 Galaxies from HST Legacy Fields

    R. J. Bouwens;G. D. Illingworth;P. A. Oesch;M. Trenti

  • The photometric performance and calibration of the Hubble Space Telescope advanced camera for surveys

    M. Sirianni;M. Sirianni;M. Sirianni;M.J. Jee;N. Benítez;N. Benítez;J.P. Blakeslee

  • UV Luminosity Functions at z~4, 5, and 6 from the Hubble Ultra Deep Field and Other Deep Hubble Space Telescope ACS Fields: Evolution and Star Formation History*

    Rychard J Bouwens;Garth D Illingworth;Marijn Franx;Holland Ford

  • UV luminosity functions at redshifts z ∼ 4 to z ∼ 10: 10,000 galaxies from HST legacy fields

    R.J. Bouwens;R.J. Bouwens;G.D. Illingworth;P.A. Oesch;P.A. Oesch;M. Trenti

  • UV Luminosity Functions at z~4, 5, and 6 from the HUDF and other Deep HST ACS Fields: Evolution and Star Formation History

    Rychard J. Bouwens;Garth D. Illingworth;Marijn Franx;Holland Ford

  • An ultra-deep near-infrared spectrum of a compact quiescent galaxy at z=2.2

    Mariska Kriek;Pieter G. van Dokkum;Ivo Labbé;Marijn Franx

  • UV Luminosity Functions from 132 z~7 and z~8 Lyman-Break Galaxies in the ultra-deep HUDF09 and wide-area ERS WFC3/IR Observations

    R. J. Bouwens;G. D. Illingworth;P. A. Oesch;I. Labbe

  • The Growth of Massive Galaxies Since z = 2

    Pieter G. van Dokkum;Pieter G. van Dokkum;Katherine E. Whitaker;Katherine E. Whitaker;Gabriel Brammer;Gabriel Brammer;Marijn Franx

  • Confirmation of the Remarkable Compactness of Massive Quiescent Galaxies at z ~ 2.3: Early-Type Galaxies Did not Form in a Simple Monolithic Collapse* **

    Pieter G. van Dokkum;Marijn Franx;Mariska Kriek;Bradford Holden

  • The HST Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant

    Jeremy R Mould;John P Huchra;Wendy L Freedman;Robert C Kennicutt Jr

  • The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant

    Jeremy R. Mould;John P. Huchra;Wendy L. Freedman;Robert C. Kennicutt

  • The 3D-HST Survey: Hubble Space Telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for $\sim 100,000$ galaxies

    Ivelina G. Momcheva;Gabriel B. Brammer;Pieter G. van Dokkum;Rosalind E. Skelton

  • The Hubble Space Telescope Extragalactic Distance Scale Key Project. 1: The discovery of Cepheids and a new distance to M81

    Wendy L. Freedman;Shaun M. Hughes;Barry F. Madore;Jeremy R. Mould

  • Distance to the Virgo cluster galaxy M100 from Hubble Space Telescope observations of Cepheids

    Wendy L. Freedman;Barry F. Madore;Jeremy R. Mould;Robert Hill

  • The kinematic properties of faint elliptical galaxies.

    R. L. Davies;G. Efstathiou;S. M. Fall;G. Illingworth

  • The afterglow, redshift and extreme energetics of the γ-ray burst of 23 January 1999

    [No Value] Kulkarni;SG Djorgovski;SC Odewahn;JS Bloom

  • Ultraviolet Luminosity Functions from 132 z ~ 7 and z ~ 8 Lyman-break Galaxies in the Ultra-deep HUDF09 and Wide-area Early Release Science WFC3/IR Observations

    R. J. Bouwens;R. J. Bouwens;G. D. Illingworth;P. A. Oesch;I. Labbé

  • UV Luminosity Functions at redshifts z~4 to z~10: 11000 Galaxies from HST Legacy Fields

    R. J. Bouwens;G. D. Illingworth;P. A. Oesch;M. Trenti

Frequent Co-Authors

Rychard Bouwens
Rychard Bouwens Leiden University
Marijn Franx
Marijn Franx Leiden University
Holland C. Ford
Holland C. Ford Johns Hopkins University
John P. Blakeslee
John P. Blakeslee National Optical-Infrared Astronomy Research Lab
Marc Postman
Marc Postman Space Telescope Science Institute
Pascal Oesch
Pascal Oesch University of Geneva
Daniel D. Kelson
Daniel D. Kelson Carnegie Institution for Science
Mariska Kriek
Mariska Kriek University of California, Berkeley
Pieter G. van Dokkum
Pieter G. van Dokkum Yale University
Michele Trenti
Michele Trenti University of Melbourne

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