World's Best Scientists 2026 revealed!
Ronald G. Crystal

Ronald G. Crystal

Award Badge
Best Scientists
2025
Award Badge
Biology and Biochemistry
USA
2026

D-Index & Metrics

Best Scientists

D-Index
191
Citations
123029
World Ranking
408
National Ranking
273

Biology and Biochemistry

D-Index
193
Citations
124808
World Ranking
46
National Ranking
39

Medicine

D-Index
193
Citations
125979
World Ranking
235
National Ranking
158

Ronald G. Crystal 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 Ronald G. Crystal 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: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 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: 418 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: 197 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: 60 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: 1,153 publications — 100th percentile

100% of scientists in this discipline score the same or lower.

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

Ronald G. Crystal 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 Ronald G. Crystal sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 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: 72 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: 193 D-Index — 100th percentile

100% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in United States Leader Award
  • 2025 - Research.com Best Scientists Award
  • 2025 - Research.com Biology and Biochemistry in United States Leader Award
  • 2023 - Research.com Biology and Biochemistry in United States Leader Award
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians

Overview

Ronald G. Crystal is affiliated with Cornell University in the United States. Their research spans multiple areas within medicine, biochemistry, genetics, and molecular biology, with a focus on pulmonary and respiratory medicine, genetics, molecular biology, physiology, and epidemiology.

The main research topics covered in their work include:

  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Virus-based gene therapy research
  • Neonatal Respiratory Health Research
  • CRISPR and Genetic Engineering
  • Lysosomal Storage Disorders Research
  • Asthma and respiratory diseases
  • Vitamin D Research Studies

Recent publications authored or co-authored by Ronald G. Crystal include:

  • Expression of the SARS-CoV-2 ACE2 Receptor in the Human Airway Epithelium, 2020, American Journal of Respiratory and Critical Care Medicine
  • Evaluating the state of the science for adeno-associated virus integration: An integrated perspective, 2022, Molecular Therapy
  • Metabolic and Metabo-Clinical Signatures of Type 2 Diabetes, Obesity, Retinopathy, and Dyslipidemia, 2021, Diabetes
  • Lung Microbiota and Metabolites Collectively Associate with Clinical Outcomes in Milder Stage Chronic Obstructive Pulmonary Disease, 2022, American Journal of Respiratory and Critical Care Medicine
  • Intermittent exposure to whole cigarette smoke alters the differentiation of primary small airway epithelial cells in the air-liquid interface culture, 2020, Scientific Reports

Frequent co-authors working with Ronald G. Crystal include:

  • Robert J. Kaner
  • Alejandro P. Comellas
  • MeiLan K. Han
  • Christopher B. Cooper
  • Russell P. Bowler

The most common publication venues for their work are:

  • Human Gene Therapy
  • American Journal of Respiratory and Critical Care Medicine
  • Scientific Reports
  • Molecular Therapy
  • CHEST Journal

Ronald G. Crystal has been recognized as a Member of the Association of American Physicians.

Best Publications

  • Impaired recruitment of bone-marrow–derived endothelial and hematopoietic precursor cells blocks tumor angiogenesis and growth

    David Lyden;Koichi Hattori;Koichi Hattori;Sergio Dias;Carla Costa

  • Recruitment of Stem and Progenitor Cells from the Bone Marrow Niche Requires MMP-9 Mediated Release of Kit-Ligand

    Beate Heissig;Koichi Hattori;Sergio Dias;Matthias Friedrich

  • Transfer of Genes to Humans: Early Lessons and Obstacles to Success

    Ronald G. Crystal

  • Estimation of volume of epithelial lining fluid recovered by lavage using urea as marker of dilution.

    S. I. Rennard;G. Basset;D. Lecossier;K. M. O'Donnell

  • Inflammatory and immune processes in the human lung in health and disease: evaluation by bronchoalveolar lavage.

    G W Hunninghake;J E Gadek;O Kawanami;V J Ferrans

  • In vivo transfer of the human cystic fibrosis transmembrane conductance regulator gene to the airway epithelium

    Melissa A. Rosenfeld;Kunihiko Yoshimura;Bruce C. Trapnell;Koichi Yoneyama

  • A call for transparent reporting to optimize the predictive value of preclinical research

    Story C. Landis;Susan G. Amara;Khusru Asadullah;Chris P. Austin

  • Interstitial Lung Diseases of Unknown Cause: Disorders Characterized by Chronic Inflammation of the Lower Respiratory Tract

    Ronald G. Crystal;Peter B. Bitterman;Stephen I. Rennard;Allan J. Hance

  • Pulmonary sarcoidosis: a disorder mediated by excess helper T-lymphocyte activity at sites of disease activity.

    Gary W. Hunninghake;Ronald G. Crystal

  • Adenovirus-mediated transfer of a recombinant alpha 1-antitrypsin gene to the lung epithelium in vivo

    Melissa A. Rosenfeld;Wolfgang Siegfried;Kunihiko Yoshimura;Koichi Yoneyama

  • Angiogenesis Gene Therapy Phase I Assessment of Direct Intramyocardial Administration of an Adenovirus Vector Expressing VEGF121 cDNA to Individuals With Clinically Significant Severe Coronary Artery Disease

    Todd K. Rosengart;Leonard Y. Lee;Shailen R. Patel;Timothy A. Sanborn

  • Normal alveolar epithelial lining fluid contains high levels of glutathione.

    A. M. Cantin;S. L. North;R. C. Hubbard;R. G. Crystal

  • Administration of an adenovirus containing the human CFTR cDNA to the respiratory tract of individuals with cystic fibrosis.

    R. G. Crystal;N. G. Mcelvaney;N. G. Mcelvaney;M. A. Rosenfeld;Chin-Shyan Chu

  • Interstitial lung diseases of unknown cause. Disorders characterized by chronic inflammation of the lower respiratory tract (first of two parts).

    Ronald G. Crystal;Peter B. Bitterman;Stephen I. Rennard;Allan J. Hance

  • Idiopathic Pulmonary Fibrosis: Clinical, Histologic, Radiographic, Physiologic, Scintigraphic, Cytologic, and Biochemical Aspects

    Ronald G. Crystal;Jack D. Fulmer;William C. Roberts;Morton L. Moss

  • Vascular Endothelial Growth Factor and Angiopoietin-1 Stimulate Postnatal Hematopoiesis by Recruitment of Vasculogenic and Hematopoietic Stem Cells

    Koichi Hattori;Sergio Dias;Beate Heissig;Neil R. Hackett

  • Chemokine-mediated interaction of hematopoietic progenitors with the bone marrow vascular niche is required for thrombopoiesis.

    Scott T. Avecilla;Koichi Hattori;Beate Heissig;Rafael Tejada

  • Placental growth factor reconstitutes hematopoiesis by recruiting VEGFR1 + stem cells from bone-marrow microenvironment

    Koichi Hattori;Beate Heissig;Yan Wu;Sergio Dias

  • Altered chloride ion channel kinetics associated with the delta F508 cystic fibrosis mutation.

    Wilfried Dalemans;Pascal Barbry;Guy Champigny;Sophie Jallat

  • Cytokine-mediated deployment of SDF-1 induces revascularization through recruitment of CXCR4+ hemangiocytes

    David K Jin;Koji Shido;Hans-Georg Kopp;Isabelle Petit

Frequent Co-Authors

Neil R. Hackett
Neil R. Hackett Cornell University
Philip L. Leopold
Philip L. Leopold Cornell University
Shahin Rafii
Shahin Rafii Cornell University
Peter B. Bitterman
Peter B. Bitterman University of Minnesota
Victor J. Ferrans
Victor J. Ferrans National Institutes of Health
James M. Wilson
James M. Wilson University of Pennsylvania
Malcolm A.S. Moore
Malcolm A.S. Moore Memorial Sloan Kettering Cancer Center
Bruce C. Trapnell
Bruce C. Trapnell Cincinnati Children's Hospital Medical Center
G.W. Hunninghake
G.W. Hunninghake University of Iowa
Barry E. Kosofsky
Barry E. Kosofsky Cornell University

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

Exploring Biology and Biochemistry in the USA opens the door to many online degree and career options in healthcare and the life sciences. Students interested in hands-on healthcare roles can start with medical assistant courses online, which offer foundational skills and can be completed with financial aid. For those aiming to advance their clinical career, the medical assistant to lpn bridge program online provides a flexible path to become a Licensed Practical Nurse.

If you're interested in scientific research or broad life sciences applications, consider enrolling in online biology degree programs. Many of these accelerated programs are ideal for students who want to earn a credible degree quickly and conveniently. Alternatively, those drawn to nursing careers can start with online asn programs, which provide a practical introduction and pathway into healthcare.

Whichever path you choose, flexible online options make it easier than ever to balance your studies with work or family commitments.

Best Scientists Citing Ronald G. Crystal

Trending Scientists