World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
11435
World Ranking
12072
National Ranking
932

Chemistry

D-Index
61
Citations
11722
World Ranking
9355
National Ranking
529

Thomas J. Simpson 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 Thomas J. Simpson 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: 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 publications 1,295+

This scientist: 296 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Thomas J. Simpson 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 Thomas J. Simpson 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: 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 D-Index 159+

This scientist: 61 D-Index — 49th percentile

49% 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

  • 2001 - Fellow of the Royal Society, United Kingdom

Overview

Thomas J. Simpson is affiliated with the University of Bristol in the United Kingdom. Their research primarily spans the field of Medicine with a focus on Pharmacology, Organic Chemistry, Materials Chemistry, Molecular Biology, and Plant Science as subfields.

Simpson's recent publications cover a range of topics primarily related to natural products, biosynthesis, and chemical biology. Notable papers include:

  • The 'emodin family' of fungal natural products-amalgamating a century of research with recent genomics-based advances, 2022, Natural Product Reports
  • The Kalimantacin Polyketide Antibiotics Inhibit Fatty Acid Biosynthesis in Staphylococcus aureus by Targeting the Enoyl-Acyl Carrier Protein Binding Site of FabI, 2020, Angewandte Chemie International Edition
  • Mixing and matching genes of marine and terrestrial origin in the biosynthesis of the mupirocin antibiotics, 2020, Chemical Science
  • Uncovering biosynthetic relationships between antifungal nonadrides and octadrides, 2020, Chemical Science
  • VpROM: a novel variational autoencoder-boosted reduced order model for the treatment of parametric dependencies in nonlinear systems, 2024, Scientific Reports

Their work intersects themes such as microbial natural products and biosynthesis, fungal biology and applications, carbohydrate chemistry and synthesis, crystallization and solubility studies, and X-ray diffraction in crystallography. They have also contributed to research in areas including model reduction and neural networks as well as hydraulic and pneumatic systems.

Frequent collaborators include Christine L. Willis, Kate M. J. de Mattos-Shipley, Zhongshu Song, Matthew P. Crump, and Russell J. Cox.

Simpson has published multiple articles in several scientific journals and databases discussed as frequent venues for their research dissemination. These include:

  • The Cambridge Structural Database
  • Natural Product Reports
  • Angewandte Chemie International Edition
  • Chemical Science
  • Journal of Natural Products

In recognition of their scientific contributions, Thomas J. Simpson was awarded the title of Fellow of the Royal Society, United Kingdom, in 2001.

Best Publications

  • Meroterpenoids produced by fungi

    Regina Geris;Thomas J. Simpson

  • A chain initiation factor common to both modular and aromatic polyketide synthases

    Christian Bisang;Paul F. Long;Jesús Cortés;James Westcott

  • Characterization of the Mupirocin Biosynthesis Gene Cluster from Pseudomonas fluorescens NCIMB 10586

    A.Kassem El-Sayed;Joanne Hothersall;Sian M. Cooper;Elton Stephens

  • Fusarin C Biosynthesis in Fusarium moniliforme and Fusarium venenatum

    Zhongshu Song;Russell J. Cox;Colin M. Lazarus;Thomas J. Simpson

  • Design and utility of oligonucleotide gene probes for fungal polyketide synthases

    Thomas P Nicholson;Brian A.M Rudd;Mike Dawson;Colin M Lazarus

  • Effect of gamma irradiation on the extraction yield, total phenolic content and free radical-scavenging activity of Nigella staiva seed.

    Khanzadi Fatima Khattak;Khanzadi Fatima Khattak;Thomas James Simpson;Ihasnullah

  • Ketosynthase Domain Probes Identify Two Subclasses of Fungal Polyketide Synthase Genes

    Lewis E.H Bingle;Thomas J Simpson;Colin M Lazarus

  • Resistance to and synthesis of the antibiotic mupirocin

    Christopher M. Thomas;Joanne Hothersall;Christine L. Willis;Thomas J. Simpson

  • An antibiotic produced by an insect-pathogenic bacterium suppresses host defenses through phenoloxidase inhibition.

    Ioannis Eleftherianos;Sam Boundy;Susan A. Joyce;Shazia Aslam

  • Solution structure of the actinorhodin polyketide synthase acyl carrier protein from Streptomyces coelicolor A3(2)

    Matthew P. Crump;John Crosby;Christopher E. Dempsey;John A. Parkinson

  • Genetic, molecular, and biochemical basis of fungal tropolone biosynthesis

    Jack Davison;Ahmed al Fahad;Menghao Cai;Zhongshu Song

  • Biosynthesis of the 2-Pyridone Tenellin in the Insect Pathogenic Fungus Beauveria bassiana

    Kirstin L. Eley;Laura M. Halo;Zhongshu Song;Henry Powles

  • Authentic Heterologous Expression of the Tenellin Iterative Polyketide Synthase Nonribosomal Peptide Synthetase Requires Coexpression with an Enoyl Reductase

    Laura M. Halo;James W. Marshall;Ahmed A. Yakasai;Zhongshu Song

  • Late stage oxidations during the biosynthesis of the 2-pyridone tenellin in the entomopathogenic fungus Beauveria bassiana.

    Laura M Halo;Mary N Heneghan;Ahmed A Yakasai;Zhongshu Song

  • First Heterologous Reconstruction of a Complete Functional Fungal Biosynthetic Multigene Cluster

    Mary N. Heneghan;Ahmed A. Yakasai;Laura M. Halo;Zhongshu Song

  • Rational domain swaps decipher programming in fungal highly reducing polyketide synthases and resurrect an extinct metabolite.

    Katja M. Fisch;Walid Bakeer;Walid Bakeer;Ahmed A. Yakasai;Zhongshu Song

  • Ultraviolet-Irradiated Urocanic Acid Suppresses Delayed-Type Hypersensitivity to Herpes Simplex Virus in Mice

    James A Ross;Sarah E M Howie;Mary Norval;Jean Maingay

  • UROCANIC ACID AND IMMUNOSUPPRESSION

    M. Norval;T. J. Simpson;J. A. Ross

  • Plant Polyketide Synthases: A Chalcone Synthase-Type Enzyme Which Performs a Condensation Reaction with Methylmalonyl-CoA in the Biosynthesis of C-Methylated Chalcones†,‡

    Joachim Schröder;Sigrid Raiber;Thorsten Berger;Axel Schmidt

  • One pathway, many compounds: heterologous expression of a fungal biosynthetic pathway reveals its intrinsic potential for diversity

    Zahida Wasil;Khomaizon Abdul Kadir Pahirulzaman;Craig P Butts;Thomas J Simpson

  • Catalytic self-acylation of type II polyketide synthase acyl carrier proteins

    Timothy S. Hitchman;John Crosby;Kate J. Byrom;Russell J. Cox

Frequent Co-Authors

Russell J. Cox
Russell J. Cox University of Hannover
Christine L. Willis
Christine L. Willis University of Bristol
Matthew P. Crump
Matthew P. Crump University of Bristol
Christopher M. Thomas
Christopher M. Thomas University of Birmingham
Colin M. Lazarus
Colin M. Lazarus University of Bristol
John C. Vederas
John C. Vederas University of Alberta
Mary Norval
Mary Norval University of Edinburgh
Jake MacMillan
Jake MacMillan University of Bristol
Rob Lavigne
Rob Lavigne KU Leuven
David A. Hopwood
David A. Hopwood John Innes Centre

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Exploring careers in forensics further highlights the diverse roles available to chemistry graduates. These range from crime lab analysts to legal consultants, demonstrating how a chemistry background can lead to impactful, interdisciplinary careers.

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