World's Best Scientists 2026 revealed!
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Social Sciences and Humanities
UK
2026

D-Index & Metrics

Medicine

D-Index
101
Citations
37794
World Ranking
7977
National Ranking
780

Social Sciences and Humanities

D-Index
101
Citations
37280
World Ranking
86
National Ranking
12

Carl May publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Carl May sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 425 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

Carl May D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Carl May sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 101 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Social Sciences and Humanities in United Kingdom Leader Award
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom

Overview

Carl May is affiliated with the London School of Hygiene & Tropical Medicine in the United Kingdom. Their research focuses extensively on the fields of Medicine and Health Professions, with a significant number of publications in General Health Professions, Public Health, Environmental and Occupational Health, Epidemiology, Social Psychology, and Clinical Psychology.

The main topics covered in their work include:

  • Mental Health Treatment and Access
  • Chronic Disease Management Strategies
  • Health Policy Implementation Science
  • Telemedicine and Telehealth Implementation
  • Mental Health and Patient Involvement
  • Patient-Provider Communication in Healthcare
  • Digital Mental Health Interventions

Among their recent papers are the following:

  • Translational framework for implementation evaluation and research: a normalisation process theory coding manual for qualitative research and instrument development, 2022, Implementation Science
  • Home and Online Management and Evaluation of Blood Pressure (HOME BP) using a digital intervention in poorly controlled hypertension: randomised controlled trial, 2021, BMJ
  • Remote shared decision making through telemedicine: A systematic review of the literature, 2021, Patient Education and Counseling
  • Towards an Implementation-STakeholder Engagement Model (I-STEM) for improving health and social care services, 2023, Health Expectations
  • Effectiveness of nurse-led group CBT for hot flushes and night sweats in women with breast cancer: Results of the MENOS4 randomised controlled trial, 2020, Psycho-Oncology

Carl May has frequently collaborated with several authors, including:

  • Frances S Mair
  • Alison Richardson
  • Tim Rapley
  • Geraldine Leydon
  • Tracy Finch

Their publications are commonly found in journals such as:

  • Trials
  • BMJ Open
  • Social Science & Medicine
  • Implementation Science
  • NIHR Open Research

Carl May is recognized as a Fellow of the Academy of Social Sciences in the United Kingdom.

Best Publications

  • Implementing, embedding, and integrating practices: An outline of Normalization Process Theory.

    Carl May;Tracy Finch

  • Normalisation process theory: A framework for developing, evaluating and implementing complex interventions

    Elizabeth Murray;Shaun Treweek;Catherine Pope;Anne MacFarlane

  • Development of a theory of implementation and integration: Normalization Process Theory

    Carl R May;Frances Mair;Tracy Finch;Anne E. MacFarlane

  • Implementation, context and complexity.

    Carl R. May;Carl R. May;Mark Johnson;Tracy Finch

  • We need minimally disruptive medicine

    Carl R. May;Victor M. Montori;Frances S. Mair

  • Understanding the implementation of complex interventions in health care: the normalization process model.

    Carl James May;Tracy Finch;Frances S. Mair;Luciana Ballini

  • Cumulative complexity: a functional, patient-centered model of patient complexity can improve research and practice

    Nathan D. Shippee;Nilay D. Shah;Carl R. May;Frances S. Mair

  • Rethinking the patient: using Burden of Treatment Theory to understand the changing dynamics of illness.

    Carl R. May;David T. Eton;Kasey Boehmer;Katie Gallacher

  • Towards a general theory of implementation.

    Carl James May

  • Systematic review of cost effectiveness studies of telemedicine interventions.

    Pamela S Whitten;Frances S Mair;Alan Haycox;Carl R May

  • Using Normalization Process Theory in feasibility studies and process evaluations of complex healthcare interventions: a systematic review

    Carl May;Amanda Cummings;Melissa Girling;Michael Bracher

  • Factors that promote or inhibit the implementation of e-health systems: an explanatory systematic review.

    Frances S Mair;Carl May;Catherine O’Donnell;Tracy Finch

  • A rational model for assessing and evaluating complex interventions in health care

    Carl May

  • Promoting professional behaviour change in healthcare: what interventions work, and why? A theory-led overview of systematic reviews

    Mark J Johnson;Carl R May

  • From compliance to concordance: barriers to accomplishing a re-framed model of health care interactions.

    Paul Bissell;Carl R May;Peter R Noyce

  • Understanding Patients’ Experiences of Treatment Burden in Chronic Heart Failure Using Normalization Process Theory

    Katie Gallacher;Carl R. May;Victor M. Montori;Frances S. Mair

  • Barriers to advance care planning at the end of life: an explanatory systematic review of implementation studies.

    Susi Lund;Alison Richardson;Carl May

  • Building a measurement framework of burden of treatment in complex patients with chronic conditions: a qualitative study.

    David T Eton;Djenane Ramalho de Oliveira;Jason S Egginton;Jennifer L Ridgeway

  • Why is it difficult to implement e-health initiatives? A qualitative study

    Elizabeth Murray;Joanne Burns;Carl James May;Tracy Finch

  • Disclosing a diagnosis of dementia: a systematic review

    Claire Bamford;Sharon Lamont;Martin Eccles;Louise Robinson

  • An open letter to The BMJ editors on qualitative research

    Trisha Greenhalgh;Ellen Annandale;Richard Ashcroft;James Barlow

  • Resisting and promoting new technologies in clinical practice: the case of telepsychiatry.

    Carl May;Linda Gask;Theresa Atkinson;Nicola Ellis

Frequent Co-Authors

Tim Rapley
Tim Rapley Northumbria University
Elizabeth Murray
Elizabeth Murray University College London
Catherine Pope
Catherine Pope University of Oxford
Lucy Yardley
Lucy Yardley University of Bristol
Linda Gask
Linda Gask University of Manchester
Peter Smith
Peter Smith University of Aberdeen
Anne Rogers
Anne Rogers University of Southampton
Susan Michie
Susan Michie University College London
Martin Roland
Martin Roland University of Cambridge

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