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Chemistry
USA
2026

D-Index & Metrics

Chemistry

D-Index
152
Citations
87736
World Ranking
123
National Ranking
64

Harry B. Gray publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Harry B. Gray sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 644 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 253 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 1,262 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Harry B. Gray D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 776 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 647 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 152 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Chemistry in United States Leader Award
  • 2025 - Research.com Chemistry in United States Leader Award
  • 2018 - F.A. Cotton Medal for Excellence in Chemical Research, American Chemical Society (ACS)
  • 2009 - Fellow of the American Chemical Society
  • 2009 - Welch Award in Chemistry, Robert A. Welch Foundation
  • 2004 - Benjamin Franklin Medal, Franklin Institute
  • 2004 - Wolf Prize in Chemistry, Wolf Foundation for pioneering work in bio-inorganic chemistry, unravelling novel principles of structure and long-range electron transfer in proteins.
  • 2003 - William H. Nichols Medal, American Chemical Society (ACS)
  • 2003 - NAS Award in Chemical Sciences, National Academy of Sciences (US) For his demonstration of long-range electron tunneling in proteins, his inspirational teaching and mentoring of students, and his unselfish service as a statesman for chemistry.
  • 2001 - Oesper Award, University of Cincinnati and American Chemical Society
  • 2001 - George C. Pimentel Award in Chemical Education, American Chemical Society (ACS)
  • 2000 - Fellow of the Royal Society, United Kingdom
  • 1991 - Priestley Medal, American Chemical Society (ACS)
  • 1989 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1986 - US President's National Medal of Science "For his pioneering research in bioinorganic chemistry and inorganic photochemistry, and for his many contributions to chemical education.", Presented by President Reagan at a White House Ceremony on March 12, 1986.
  • 1986 - Linus Pauling Award, American Chemical Society (ACS)
  • 1984 - Centenary Prize, Royal Society of Chemistry (UK)
  • 1979 - Tolman Award, American Chemical Society (ACS)
  • 1979 - Fellow of the American Academy of Arts and Sciences
  • 1972 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1971 - Member of the National Academy of Sciences
  • 1970 - ACS Award in Pure Chemistry, American Chemical Society (ACS)
  • 1964 - Fellow of Alfred P. Sloan Foundation
  • 1934 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Harry B. Gray is affiliated with the California Institute of Technology in the United States. Their research covers several fields including Energy, Materials Science, and Engineering, with a focus on subfields such as Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Catalysis, Materials Chemistry, and Electronic, Optical and Magnetic Materials.

The scientist's work broadly addresses topics like Ammonia Synthesis and Nitrogen Reduction, Electrocatalysts for Energy Conversion, Catalytic Processes in Materials Science, CO2 Reduction Techniques and Catalysts, Magnetism in coordination complexes, Metal-Catalyzed Oxygenation Mechanisms, and Molecular Junctions and Nanostructures.

Recent papers authored or co-authored by Harry B. Gray include:

  • Cathodic NH4+ leaching of nitrogen impurities in CoMo thin-film electrodes in aqueous acidic solutions (2020), published in Sustainable Energy & Fuels
  • Synthesis, structural studies, and redox chemistry of bimetallic [Mn(CO)3] and [Re(CO)3] complexes (2021), published in Dalton Transactions
  • Design of robust 2,2'-bipyridine ligand linkers for the stable immobilization of molecular catalysts on silicon(111) surfaces (2021), published in Physical Chemistry Chemical Physics

Frequent co-authors of this scientist include:

  • Nathan S. Lewis
  • James D. Blakemore
  • Weilai Yu
  • Pakpoom Buabthong
  • Carlos G. Read

Publication venues where their work has appeared repeatedly include Sustainable Energy & Fuels, Dalton Transactions, and Physical Chemistry Chemical Physics.

Harry B. Gray has received multiple awards over the course of their career, such as the F.A. Cotton Medal for Excellence in Chemical Research from the American Chemical Society (2018), Welch Award in Chemistry from the Robert A. Welch Foundation (2009), and the Wolf Prize in Chemistry from the Wolf Foundation (2004) for work in bio-inorganic chemistry, specifically on principles of structure and long-range electron transfer in proteins.

Other distinctions include the Benjamin Franklin Medal from the Franklin Institute (2004), NAS Award in Chemical Sciences (2003) recognizing contributions to electron tunneling in proteins and mentoring, and the US President's National Medal of Science (1986) for pioneering research in bioinorganic chemistry and chemical education. Additional honors include fellowships from the American Chemical Society, American Association for the Advancement of Science, Royal Society in the UK, and various medals and awards from the American Chemical Society spanning several decades.

Best Publications

  • The Electronic Structure of the Vanadyl Ion

    C. J. Ballhausen;Harry B. Gray

  • Powering the planet with solar fuel

    Harry B. Gray

  • Earth-Abundant Heterogeneous Water Oxidation Catalysts

    Bryan M. Hunter;Harry B. Gray;Astrid M. Müller

  • Hydrogen evolution catalyzed by cobaloximes.

    Jillian L. Dempsey;Bruce S. Brunschwig;Jay R. Winkler;Harry B. Gray

  • Ligand substitution processes

    Cooper Harold Langford;Harry B. Gray

  • Long-range electron transfer.

    Harry B. Gray;Jay R. Winkler

  • Molecular orbital theory: An introductory lecture note and reprint volume

    Carl Johan Ballhausen;Harry B. Gray

  • Ni–Mo Nanopowders for Efficient Electrochemical Hydrogen Evolution

    James R. McKone;Bryce F. Sadtler;Caroline A. Werlang;Nathan S. Lewis

  • ELECTRON TRANSFER IN RUTHENIUM-MODIFIED PROTEINS

    Jay R. Winkler;Harry B. Gray

  • Electron tunneling through proteins

    Harry B. Gray;Jay R. Winkler

  • Will Solar-Driven Water-Splitting Devices See the Light of Day?

    James R. McKone;Nathan S. Lewis;Harry B. Gray

  • Earth-abundant hydrogen evolution electrocatalysts

    James R. McKone;Smaranda C. Marinescu;Bruce S. Brunschwig;Jay R. Winkler

  • Electronic structure of metallocenes

    Harry B. Gray;Y. S. Sohn;N. Hendrickson

  • Electron-tunneling pathways in proteins.

    David N. Beratan;José Nelson Onuchic;Jay R. Winkler;Harry B. Gray

  • Copper coordination in blue proteins.

    Harry B. Gray;Bo G. Malmström;R.J.P. Williams

  • Pyrophosphito-bridged diplatinum chemistry

    D. Max Roundhill;Harry B. Gray;Chi Ming Che

  • Effect of interlayer anions on [NiFe]-LDH nanosheet water oxidation activity

    B. M. Hunter;W. Hieringer;J. R. Winkler;H. B. Gray

  • A Molecular Orbital Theory for Square Planar Metal Complexes

    Harry B. Gray;C. J. Ballhausen

  • Oxoiron(IV) in chloroperoxidase compound II is basic: implications for P450 chemistry.

    Michael T. Green;John H. Dawson;Harry B. Gray

  • Electronic Spectroscopy of Chloro(terpyridine)platinum(II)

    James A. Bailey;Michael G. Hill;Richard E. Marsh;Vincent M. Miskowski

  • Evaluation of Pt, Ni, and Ni–Mo electrocatalysts for hydrogen evolution on crystalline Si electrodes

    James R. McKone;Emily L. Warren;Matthew J. Bierman;Shannon W. Boettcher

Frequent Co-Authors

Jay R. Winkler
Jay R. Winkler California Institute of Technology
Zeev Gross
Zeev Gross Technion – Israel Institute of Technology
John H. Richards
John H. Richards California Institute of Technology
George S. Hammond
George S. Hammond University of Hawaii at Manoa
Chi-Ming Che
Chi-Ming Che University of Hong Kong
Nathan S. Lewis
Nathan S. Lewis California Institute of Technology
Michael G. Hill
Michael G. Hill Occidental College
Antonín Vlček
Antonín Vlček Czech Academy of Sciences
Bruce S. Brunschwig
Bruce S. Brunschwig California Institute of Technology
Richard E. Dickerson
Richard E. Dickerson University of California, Los Angeles

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