World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
85
Citations
24887
World Ranking
14667
National Ranking
7417

John L. Beard publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where John L. Beard sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 249 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

John L. Beard D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where John L. Beard sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 85 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

John L. Beard was affiliated with Pennsylvania State University in the United States throughout their academic career.

Details regarding research topics, papers, co-authors, publication venues, and awards received by John L. Beard are not available. However, the data confirms that Beard was deceased.

Best Publications

  • Iron Biology in Immune Function, Muscle Metabolism and Neuronal Functioning

    John L. Beard

  • Long-Lasting Neural and Behavioral Effects of Iron Deficiency in Infancy

    Betsy Lozoff;John Beard;James Connor;Barbara Felt

  • IRON STATUS AND NEURAL FUNCTIONING

    John L. Beard;James R. Connor

  • Abnormalities in CSF concentrations of ferritin and transferrin in restless legs syndrome

    Christopher J. Earley;J. R. Connor;J. L. Beard;E. A. Malecki

  • Maternal Iron Deficiency Anemia Affects Postpartum Emotions and Cognition

    John L. Beard;Michael K. Hendricks;Eva M. Perez;Laura E. Murray-Kolb

  • Iron Deficiency Alters Brain Development and Functioning

    John Beard

  • Iron in the Brain

    John L. Beard;James R. Connor;Byron C. Jones

  • Iron Metabolism: a Comprehensive Review

    John L. Beard;Harry Dawson;Domingo J. Piñero

  • Regional distribution of iron and iron-regulatory proteins in the brain in aging and Alzheimer's disease.

    James Connor;B. S. Snyder;J. L. Beard;R. E. Fine

  • Iron treatment normalizes cognitive functioning in young women

    Laura E Murray-Kolb;John L Beard

  • Low Hemoglobin Level Is a Risk Factor for Postpartum Depression

    Elizabeth J. Corwin;Laura E. Murray-Kolb;John L. Beard

  • Iron status and exercise

    John Beard;Brian Tobin

  • Iron Deficiency Decreases dopamine D1 and D2 receptors in rat brain

    Keith M Erikson;Byron C Jones;Ellen J Hess;Qian Zhang

  • Why Iron Deficiency Is Important in Infant Development

    John L. Beard

  • Altered dopaminergic profile in the putamen and substantia nigra in restless leg syndrome

    James R. Connor;Xin Sheng Wang;Richard P. Allen;John L. Beard

  • Distribution of divalent metal transporter 1 and metal transport protein 1 in the normal and Belgrade rat.

    J. R. Burdo;S. L. Menzies;Ian Simpson;L. M. Garrick

  • Effect of manipulation of iron storage, transport, or availability on myelin composition and brain iron content in three different animal models.

    E. Ortiz;J. M. Pasquini;K. Thompson;B. Felt

  • Mother-Infant Interactions and Infant Development Are Altered by Maternal Iron Deficiency Anemia

    Eva M. Perez;Michael K. Hendricks;John L. Beard;Laura E. Murray-Kolb

  • Iron deficiency alters dopamine transporter functioning in rat striatum

    Keith M. Erikson;Byron C. Jones;John L. Beard

  • Insight into the pathophysiology of restless legs syndrome.

    Christopher J. Earley;Richard P. Allen;John L. Beard;James R. Connor

Frequent Co-Authors

James R. Connor
James R. Connor Pennsylvania State University
Christopher J. Earley
Christopher J. Earley Johns Hopkins University
Richard P. Allen
Richard P. Allen Johns Hopkins University
Joshua L. Dunaief
Joshua L. Dunaief University of Pennsylvania
Michael K. Georgieff
Michael K. Georgieff University of Minnesota
Timothy J Schallert
Timothy J Schallert The University of Texas at Austin
James D. Cook
James D. Cook University of Kansas
Andreas Faissner
Andreas Faissner Ruhr University Bochum
Pamela E. Knapp
Pamela E. Knapp Virginia Commonwealth University
Marina Mata
Marina Mata University of Michigan–Ann Arbor

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