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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 75 4446 4038 1406 1178 241 19729
Biology and Biochemistry 76 5059 4673 2424 2180 239 20078

Norman G. Lewis publications per year

The chart shows the history of publications by Norman G. Lewis between 1978 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Norman G. Lewis published across 49 years, from 1978 to 2026, averaging 11.8 papers a year. Output peaked at 297 publications in 2023. 4 of the 576 publications appeared in the last two years.

No. of publications
50 100 150 200 250
Bar chart. Horizontal axis: year, 1978 to 2026. Vertical axis: number of publications, 0 to 297. Peak 297 publications in 2023. 1978: 4 publications 1979: 1 publication 1980: 0 publications 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 2 publications 1985: 3 publications 1986: 6 publications 1987: 8 publications 1988: 2 publications 1989: 22 publications 1990: 4 publications 1991: 6 publications 1992: 9 publications 1993: 10 publications 1994: 12 publications 1995: 7 publications 1996: 3 publications 1997: 4 publications 1998: 9 publications 1999: 11 publications 2000: 6 publications 2001: 13 publications 2002: 7 publications 2003: 13 publications 2004: 3 publications 2005: 10 publications 2006: 11 publications 2007: 10 publications 2008: 6 publications 2009: 2 publications 2010: 7 publications 2011: 2 publications 2012: 4 publications 2013: 6 publications 2014: 6 publications 2015: 5 publications 2016: 1 publication 2017: 2 publications 2018: 2 publications 2019: 3 publications 2020: 2 publications 2021: 6 publications 2022: 14 publications 2023: 297 publications 2024: 7 publications 2025: 3 publications 2026: 1 publication
1978 2026

576 publications in total across all disciplines

View publications per year as a table
Norman G. Lewis: publications per year, 1978 to 2026
Year Publications
1978 4
1979 1
1980 0
1981 1
1982 1
1983 2
1984 2
1985 3
1986 6
1987 8
1988 2
1989 22
1990 4
1991 6
1992 9
1993 10
1994 12
1995 7
1996 3
1997 4
1998 9
1999 11
2000 6
2001 13
2002 7
2003 13
2004 3
2005 10
2006 11
2007 10
2008 6
2009 2
2010 7
2011 2
2012 4
2013 6
2014 6
2015 5
2016 1
2017 2
2018 2
2019 3
2020 2
2021 6
2022 14
2023 297
2024 7
2025 3
2026 1
Total 576
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Norman G. Lewis 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 Norman G. Lewis 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, 241–260 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: 241 publications — 47th percentile

47% 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 1,100 241
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
1,281–1,294 6
1,295+ 100
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Norman G. Lewis 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 Norman G. Lewis 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, 74–75 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: 75 D-Index — 76th percentile

76% 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 75
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
154–155 9
156–157 3
158 3
159+ 98
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Overview

Norman G. Lewis is affiliated with Washington State University in the United States. Their research spans multiple scientific domains with a concentration in Physics and Astronomy, Earth and Planetary Sciences, and Environmental Science.

Their work includes significant contributions to subfields such as Astronomy and Astrophysics, Oceanography, Environmental Chemistry, Molecular Biology, and Nuclear and High Energy Physics. The diversity of these subfields reflects interdisciplinary engagement, particularly in topics related to geophysical and environmental phenomena.

Lewis's research topics cover a range of scientific areas including:

  • Ionosphere and magnetosphere dynamics
  • Geophysics and Gravity Measurements
  • Methane Hydrates and Related Phenomena
  • Solar and Space Plasma Dynamics
  • Astrophysics and Cosmic Phenomena
  • Plant Gene Expression Analysis
  • Plant-derived Lignans Synthesis and Bioactivity

Their recent papers illustrate an integration of biological and environmental sciences alongside physics. Notable publications include:

  • "NASA GeneLab RNA-seq consensus pipeline: Standardized processing of short-read RNA-seq data," 2021, published in iScience
  • "Meta-analysis of the space flight and microgravity response of the Arabidopsis plant transcriptome," 2023, published in npj Microgravity
  • "Pterocarpan synthase (PTS) structures suggest a common quinone methide-stabilizing function in dirigent proteins and proteins with dirigent-like domains," 2020, published in Journal of Biological Chemistry
  • "Editorial: Lignans: Insights Into Their Biosynthesis, Metabolic Engineering, Analytical Methods and Health Benefits," 2021, published in Frontiers in Plant Science
  • "On Roman Imperial Promulgations in Greek," 2020, published in Scripta classica Israelica

Lewis frequently collaborates with other researchers, including:

  • John Cort
  • Marija Veličković
  • Mowei Zhou
  • Laurence Davin
  • Syed Moinuddin

Their publications appear most often in the OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information), with additional contributions to Frontiers in Plant Science, Journal of Biological Chemistry, npj Microgravity, and iScience.

Best Publications

  • Lignin: Occurrence, Biogenesis and Biodegradation

    Norman G. Lewis;Etsuo Yamamoto

  • Phlorizin: a review.

    Joel R. L. Ehrenkranz;Norman G. Lewis;C. Ronald Kahn;Jesse Roth

  • Stereoselective Bimolecular Phenoxy Radical Coupling by an Auxiliary (Dirigent) Protein Without an Active Center

    Laurence B. Davin;Huai Bin Wang;Anastasia L. Crowell;Diana L. Bedgar

  • Trends in lignin modification: a comprehensive analysis of the effects of genetic manipulations/mutations on lignification and vascular integrity.

    Aldwin M. Anterola;Norman G. Lewis

  • Eugenol and isoeugenol, characteristic aromatic constituents of spices, are biosynthesized via reduction of a coniferyl alcohol ester

    Takao Koeduka;Eyal Fridman;David R. Gang;Daniel G. Vassão

  • Dirigent proteins and dirigent sites explain the mystery of specificity of radical precursor coupling in lignan and lignin biosynthesis.

    Laurence B. Davin;Norman G. Lewis

  • The Arabidopsis phenylalanine ammonia lyase gene family: kinetic characterization of the four PAL isoforms☆

    Fiona C Cochrane;Laurence B Davin;Norman G Lewis

  • Lignin primary structures and dirigent sites.

    Laurence B Davin;Norman G Lewis

  • Functional reclassification of the putative cinnamyl alcohol dehydrogenase multigene family in Arabidopsis

    Sung-Jin Kim;Mi-Ran Kim;Diana L. Bedgar;Syed G. A. Moinuddin

  • Cyclization of Geranylgeranyl Diphosphate to Taxa-4 (5), 11 (12) -diene Is the Committed Step of Taxol Biosynthesis in Pacific Yew

    Alfred E. Koepp;Mehri Hezari;Jaroslav Zajicek;Brigitte Stofer Vogel

  • Regiochemical control of monolignol radical coupling: a new paradigm for lignin and lignan biosynthesis

    David R. Gang;Michael A. Costa;Masayuki Fujita;Masayuki Fujita;Albena T. Dinkova-Kostova

  • Antisense Down-Regulation of 4CL Expression Alters Lignification, Tree Growth, and Saccharification Potential of Field-Grown Poplar

    Steven L. Voelker;Barbara Lachenbruch;Frederick C. Meinzer;Michael Jourdes

  • The macromolecular aromatic domain in suberized tissue: a changing paradigm.

    Mark A. Bernards;Norman G. Lewis

  • (+)-Pinoresinol/(+)-Lariciresinol Reductase from Forsythia intermedia PROTEIN PURIFICATION, cDNA CLONING, HETEROLOGOUS EXPRESSION AND COMPARISON TO ISOFLAVONE REDUCTASE

    Albena T. Dinkova-Kostova;David R. Gang;Laurence B. Davin;Diana L. Bedgar

  • Purification and characterization of taxa-4(5),11(12)-diene synthase from Pacific yew (Taxus brevifolia) that catalyzes the first committed step of taxol biosynthesis.

    Mehri Hezari;N. G. Lewis;R. Croteau

  • Dissection of lignin macromolecular configuration and assembly: Comparison to related biochemical processes in allyl/propenyl phenol and lignan biosynthesis

    Laurence B. Davin;Michael Jourdes;Ann M. Patten;Kye-Won Kim

  • The laccase multigene family in Arabidopsis thaliana: towards addressing the mystery of their gene function(s)

    Phanikanth V. Turlapati;Kye-Won Kim;Laurence B. Davin;Norman G. Lewis

  • Evolution of plant defense mechanisms. Relationships of phenylcoumaran benzylic ether reductases to pinoresinol-lariciresinol and isoflavone reductases.

    David R. Gang;Hiroyuki Kasahara;Zhi-Qiang Xia;Kristine Vander Mijnsbrugge

  • Hydroxycinnamic acid-derived polymers constitute the polyaromatic domain of suberin

    Mark A. Bernards;Marta L. Lopez;Jaroslav Zajicek;Norman G. Lewis

  • Dirigent proteins and dirigent sites in lignifying tissues.

    Vincent Burlat;Mi Kwon;Laurence B. Davin;Norman G. Lewis

Frequent Co-Authors

Laurence B. Davin
Laurence B. Davin Washington State University
Rodney Croteau
Rodney Croteau Washington State University
David R. Gang
David R. Gang Washington State University
G. Paul Bolwell
G. Paul Bolwell Royal Holloway University of London
John A. Murphy
John A. Murphy University of Strathclyde
Alexander McKillop
Alexander McKillop University of East Anglia
Gary Hardiman
Gary Hardiman Queen's University Belfast
Clarence A. Ryan
Clarence A. Ryan Washington State University
Vincent R. Franceschi
Vincent R. Franceschi Washington State University
Vincent Burlat
Vincent Burlat Paul Sabatier University

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