World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
58
Citations
10029
World Ranking
13378
National Ranking
5687

Ronan O'Rahilly publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Ronan O'Rahilly sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 163 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Ronan O'Rahilly D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ronan O'Rahilly sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 58 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Ronan O'Rahilly was affiliated with the University of California, Davis in the United States. Their academic profile does not list recent publications, co-authors, or frequent publication venues.

There are no records of book publications or specific research topics they focused on publicly available. Similarly, no main fields or subfields of study have been identified in the accessible data about their academic career.

Information about awards or recognitions received by Ronan O'Rahilly is not documented in the available sources.

Due to limited data, a detailed overview of O'Rahilly's research contributions or scientific topics cannot be provided.

Best Publications

  • Developmental Stages in Human Embryos: Including a Revision of Streeter's Horizons and a Survey of the Carnegie Collection

    Ronan O'Rahilly;Fabiola Müller;George Linius Streeter

  • Human Embryology and Teratology

    Ronan O'Rahilly

  • Developmental stages in human embryos: revised and new measurements.

    Ronan O'Rahilly;Fabiola Müller

  • The timing and sequence of events in the development of the human reproductive system during the embryonic period proper

    Ronan O'Rahilly

  • The embryonic human brain : an atlas of developmental stages

    Ronan O'Rahilly;Fabiola Müller

  • The development of the human brain, the closure of the caudal neuropore, and the beginning of secondary neurulation at stage 12.

    F Müller;R O'Rahilly

  • The timing and sequence of events in the development of the limbs in the human embryo

    Ronan O'Rahilly;Ernest Gardner

  • The development of the neural crest in the human

    Ronan O’Rahilly;Fabiola Müller

  • The two sites of fusion of the neural folds and the two neuropores in the human embryo.

    Ronan O'Rahilly;Fabiola Müller

  • Early human development and the chief sources of information on staged human embryos

    R. O'Rahilly

  • Respiratory and Alimentary Relations in Staged Human Embryos: New Embryological Data and Congenital Anomalies

    Ronan O'Rahilly;Fabiola Müller

  • The early development of the hypoglossal nerve and occipital somites in staged human embryos.

    Ronan O'Rahilly;Fabiola Müller

  • The human chondrocranium at the end of the embryonic period, proper, with particular reference to the nervous system

    Fabiola Müller;Ronan O'rahilly

  • The prenatal development of the human eye.

    Ronan O'Rahilly;Ronan O'Rahilly

  • The embryonic human brain

    Ronan O'Rahilly;Fabiola Mller

  • The initial appearance of ossification in staged human embryos

    Ronan O'Rahilly;Ronan O'Rahilly;Ernest Gardner;Ernest Gardner

  • The Dandy-Walker and Arnold-Chiari malformations. Clinical, developmental, and teratological considerations.

    Ernest Gardner;Ronan O'Rahilly;Donald Prolo

  • The timing and sequence of events in the development of the human vertebral column during the embryonic period proper.

    Ronan O'Rahilly;Ronan O'Rahilly;David B. Meyer;David B. Meyer

  • The first appearance of the neural tube and optic primordium in the human embryo at stage 10

    F. Müller;R. O'Rahilly

  • The human brain at stages 21-23, with particular reference to the cerebral cortical plate and to the development of the cerebellum.

    F. Müller;R. O’Rahilly

Frequent Co-Authors

Martti Parvinen
Martti Parvinen University of Turku
Grover M. Hutchins
Grover M. Hutchins Johns Hopkins University
Manuel Sobrinho-Simões
Manuel Sobrinho-Simões University of Porto
Takehiko Mori
Takehiko Mori Tokyo Institute of Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Online degrees are transforming how students access the fields of Biology and Biochemistry, making education more flexible and accessible. Aspiring scientists can pursue a biology degree online, which is especially useful for those balancing work or personal commitments. These programs allow students to conveniently gain essential lab knowledge and research skills.

For students interested in healthcare, an asn online opens doors to entry-level nursing positions. Similarly, those passionate about food science and wellness can select an online dietitian degree to begin a nutrition-focused career.

For advancing into leadership within health organizations, a Master of Health Administration (MHA) is a popular route. With the increasing number of cahme accredited mha programs offered online, students can gain management expertise while staying engaged with clinical or research work.

These online pathways support diverse career opportunities in science, medicine, public health, and nutrition, making it easier than ever to build a rewarding future in related disciplines.

Best Scientists Citing Ronan O'Rahilly

Recently Published Articles