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Chemistry
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 152 123 107 64 50 1262 87736

Harry B. Gray publications per year

The chart shows the history of publications by Harry B. Gray between 1960 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Harry B. Gray published across 62 years, from 1960 to 2021, averaging 21 papers a year. Output peaked at 48 publications in 1988. 37 of the 1,303 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1960 to 2021. Vertical axis: number of publications, 0 to 48. Peak 48 publications in 1988. 1960: 2 publications 1961: 2 publications 1962: 10 publications 1963: 10 publications 1964: 12 publications 1965: 10 publications 1966: 14 publications 1967: 10 publications 1968: 14 publications 1969: 11 publications 1970: 17 publications 1971: 19 publications 1972: 27 publications 1973: 29 publications 1974: 36 publications 1975: 19 publications 1976: 21 publications 1977: 17 publications 1978: 14 publications 1979: 27 publications 1980: 21 publications 1981: 21 publications 1982: 15 publications 1983: 16 publications 1984: 19 publications 1985: 16 publications 1986: 30 publications 1987: 25 publications 1988: 48 publications 1989: 30 publications 1990: 11 publications 1991: 16 publications 1992: 22 publications 1993: 28 publications 1994: 11 publications 1995: 25 publications 1996: 29 publications 1997: 27 publications 1998: 22 publications 1999: 14 publications 2000: 13 publications 2001: 18 publications 2002: 22 publications 2003: 20 publications 2004: 29 publications 2005: 24 publications 2006: 20 publications 2007: 31 publications 2008: 24 publications 2009: 18 publications 2010: 18 publications 2011: 29 publications 2012: 27 publications 2013: 44 publications 2014: 38 publications 2015: 30 publications 2016: 32 publications 2017: 22 publications 2018: 22 publications 2019: 18 publications 2020: 25 publications 2021: 12 publications
1960 2021

1,303 publications in total across all disciplines

View publications per year as a table
Harry B. Gray: publications per year, 1960 to 2021
Year Publications
1960 2
1961 2
1962 10
1963 10
1964 12
1965 10
1966 14
1967 10
1968 14
1969 11
1970 17
1971 19
1972 27
1973 29
1974 36
1975 19
1976 21
1977 17
1978 14
1979 27
1980 21
1981 21
1982 15
1983 16
1984 19
1985 16
1986 30
1987 25
1988 48
1989 30
1990 11
1991 16
1992 22
1993 28
1994 11
1995 25
1996 29
1997 27
1998 22
1999 14
2000 13
2001 18
2002 22
2003 20
2004 29
2005 24
2006 20
2007 31
2008 24
2009 18
2010 18
2011 29
2012 27
2013 44
2014 38
2015 30
2016 32
2017 22
2018 22
2019 18
2020 25
2021 12
Total 1,303
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 1,261–1,280 publications, is where this scientist sits. 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: 643 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: 252 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4 1,262
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 152–153 D-Index, is where this scientist sits. 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: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11 152
154–155 9
156–157 3
158 3
159+ 98
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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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