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Highly Cited Researchers

Highly Cited Researchers 916 Scientists Citation Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 916 scientists , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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5,986
World Rank
United Kingdom
526
Country Rank
University of Reading Logo
1
University
Ranking Based On Selection:
1
Jonathan Gregory
University of Reading Reading, United Kingdom
Engineering & Technology / Environmental Science & Engineering
climate change | sea level change | climate sensitivit

Citation Metrics

  • Total
    77,395
  • Last 5 Years
    27,955
  • Last 5 Years / Total
    0.361
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* Total Citation Counts Rankings

Rankings

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6,064
World Rank
United Kingdom
533
Country Rank
University of Reading Logo
2
University
Ranking Based On Selection:
2
Simon Potts
University of Reading Reading, United Kingdom
Natural Sciences / Biological Science
Ecosystem services | biodiversity | pollinatio

Citation Metrics

  • Total
    76,828
  • Last 5 Years
    45,598
  • Last 5 Years / Total
    0.594
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* Total Citation Counts Rankings

Rankings

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8,465
World Rank
United Kingdom
755
Country Rank
University of Reading Logo
3
University
Ranking Based On Selection:
3
Garry Smith
University of Reading Reading, United Kingdom
Engineering & Technology / Electrical & Electronic Engineering
Distributed Systems middleware | eResearc

Citation Metrics

  • Total
    62,318
  • Last 5 Years
    34,114
  • Last 5 Years / Total
    0.547
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* Total Citation Counts Rankings

Rankings

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8,864
World Rank
United Kingdom
792
Country Rank
University of Reading Logo
4
University
Ranking Based On Selection:
4
Sandy P Harrison
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
palaeoclimate | palaeoclimatology | land-atmosphere interactions | vegetation modellin

Citation Metrics

  • Total
    60,533
  • Last 5 Years
    22,980
  • Last 5 Years / Total
    0.380
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* Total Citation Counts Rankings

Rankings

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9,060
World Rank
United Kingdom
807
Country Rank
University of Reading Logo
5
University
Ranking Based On Selection:
5
Richard P Allan
University of Reading Reading, United Kingdom
Engineering & Technology / Environmental Science & Engineering
Climate Change | Global water cycle | Clouds and water vapou

Citation Metrics

  • Total
    59,605
  • Last 5 Years
    29,481
  • Last 5 Years / Total
    0.495
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* Total Citation Counts Rankings

Rankings

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9,084
World Rank
United Kingdom
810
Country Rank
University of Reading Logo
6
University
Ranking Based On Selection:
6
Bill Collins
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
Tropospheric Chemistry | Earth System Modelling | Composition-climate interaction

Citation Metrics

  • Total
    59,538
  • Last 5 Years
    30,469
  • Last 5 Years / Total
    0.512
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* Total Citation Counts Rankings

Rankings

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12,030
World Rank
United Kingdom
1,099
Country Rank
University of Reading Logo
7
University
Ranking Based On Selection:
7
Ed Hawkins
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
climate variability | climate predictability | extreme weather events | historical climatolog

Citation Metrics

  • Total
    49,896
  • Last 5 Years
    28,460
  • Last 5 Years / Total
    0.570
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* Total Citation Counts Rankings

Rankings

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13,855
World Rank
United Kingdom
1,279
Country Rank
University of Reading Logo
8
University
Ranking Based On Selection:
8
Mark Casson
University of Reading Reading, United Kingdom
Economics & Econometrics / Economics
economics | history | international business | econometrics | entrepreneurshi

Citation Metrics

  • Total
    45,858
  • Last 5 Years
    8,733
  • Last 5 Years / Total
    0.190
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* Total Citation Counts Rankings

Rankings

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13,901
World Rank
United Kingdom
1,281
Country Rank
University of Reading Logo
9
University
Ranking Based On Selection:
9
Mark Pagel
University of Reading Reading, United Kingdom
Natural Sciences / Biological Science
evolution | phylogenetics | comparative methods | evolutionary biology | languag

Citation Metrics

  • Total
    45,756
  • Last 5 Years
    10,771
  • Last 5 Years / Total
    0.235
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* Total Citation Counts Rankings

Rankings

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14,813
World Rank
United Kingdom
1,350
Country Rank
University of Reading Logo
10
University
Ranking Based On Selection:
10
Mike Lockwood
University of Reading Reading, United Kingdom
Engineering & Technology / Energy Engineering
Solar change | space weather | climat

Citation Metrics

  • Total
    44,067
  • Last 5 Years
    20,344
  • Last 5 Years / Total
    0.462
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* Total Citation Counts Rankings

Rankings

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15,064
World Rank
United Kingdom
1,370
Country Rank
University of Reading Logo
11
University
Ranking Based On Selection:
11
Ian Hamley
University of Reading Reading, United Kingdom
Natural Sciences / Chemical Sciences
Polymers | Peptides | Self-Assembly | Soft Matter | Block Copolymer

Citation Metrics

  • Total
    43,554
  • Last 5 Years
    13,346
  • Last 5 Years / Total
    0.306
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* Total Citation Counts Rankings

Rankings

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15,467
World Rank
United Kingdom
1,401
Country Rank
Henley Business School University of Reading Logo
1
University
Ranking Based On Selection:
12
Alan M Rugman
Henley Business School University of Reading Henley-on-Thames, United Kingdom
Business & Management / Business Administration
International Busines

Citation Metrics

  • Total
    42,843
  • Last 5 Years
    8,748
  • Last 5 Years / Total
    0.204
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* Total Citation Counts Rankings

Rankings

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16,018
World Rank
United Kingdom
1,448
Country Rank
University of Reading Logo
12
University
Ranking Based On Selection:
13
Robin Hogan
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
Clouds | Radiative transfer | Remote sensin

Citation Metrics

  • Total
    41,943
  • Last 5 Years
    34,842
  • Last 5 Years / Total
    0.831
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* Total Citation Counts Rankings

Rankings

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16,091
World Rank
United Kingdom
1,455
Country Rank
University of Reading Logo
13
University
Ranking Based On Selection:
14
Jeremy Pe Spencer
University of Reading Reading, United Kingdom
Others

Citation Metrics

  • Total
    41,819
  • Last 5 Years
    15,484
  • Last 5 Years / Total
    0.370
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* Total Citation Counts Rankings

Rankings

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18,987
World Rank
United Kingdom
1,727
Country Rank
Henley Business School University of Reading Logo
2
University
Ranking Based On Selection:
15
Chris Brewster
Henley Business School University of Reading Henley-on-Thames, United Kingdom
Business & Management / Human Resource Management
International HRM | Comparative HRM | expatriatio

Citation Metrics

  • Total
    37,612
  • Last 5 Years
    12,639
  • Last 5 Years / Total
    0.336
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* Total Citation Counts Rankings

Rankings

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20,128
World Rank
United Kingdom
1,837
Country Rank
University of Reading Logo
14
University
Ranking Based On Selection:
16
Sue Grimmond
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
Urban Meteorology | Urban Climatology | Micrometeorology | Boundary Layer Meteorology | Hydroclimatolog

Citation Metrics

  • Total
    36,201
  • Last 5 Years
    15,476
  • Last 5 Years / Total
    0.428
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* Total Citation Counts Rankings

Rankings

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27,940
World Rank
United Kingdom
2,475
Country Rank
University of Reading Logo
15
University
Ranking Based On Selection:
17
Ted Shepherd
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
Atmospheric dynamics | climate dynamic

Citation Metrics

  • Total
    29,229
  • Last 5 Years
    12,593
  • Last 5 Years / Total
    0.431
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* Total Citation Counts Rankings

Rankings

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32,503
World Rank
United Kingdom
2,915
Country Rank
University of Reading Logo
16
University
Ranking Based On Selection:
18
Richard Sibly
University of Reading Reading, United Kingdom
Natural Sciences / Biological Science
Individual Based Models in Ecology | Metabolic Ecolog

Citation Metrics

  • Total
    26,361
  • Last 5 Years
    6,830
  • Last 5 Years / Total
    0.259
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* Total Citation Counts Rankings

Rankings

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34,982
World Rank
United Kingdom
3,120
Country Rank
University of Reading Logo
17
University
Ranking Based On Selection:
19
Rowan Sutton
University of Reading Reading, United Kingdom
Engineering & Technology / Environmental Science & Engineering
climate variability and change | predictability and prediction | climate modellin

Citation Metrics

  • Total
    25,061
  • Last 5 Years
    10,537
  • Last 5 Years / Total
    0.420
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* Total Citation Counts Rankings

Rankings

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36,857
World Rank
United Kingdom
3,275
Country Rank
University of Reading Logo
18
University
Ranking Based On Selection:
20
Pier Luigi Vidale
University of Reading Reading, United Kingdom
Engineering & Technology / Meteorology & Atmospheric Sciences
Atmospheric science | climatology | land surface processe

Citation Metrics

  • Total
    24,150
  • Last 5 Years
    10,915
  • Last 5 Years / Total
    0.452
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* Total Citation Counts Rankings

Rankings

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37,774
World Rank
United Kingdom
3,341
Country Rank
University of Reading Logo
19
University
Ranking Based On Selection:
21
Rajneesh Narula
University of Reading Reading, United Kingdom
Economics & Econometrics / International Trade
international business | economic development | economics of innovation | emerging markets | R&

Citation Metrics

  • Total
    23,728
  • Last 5 Years
    8,181
  • Last 5 Years / Total
    0.345
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* Total Citation Counts Rankings

Rankings

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38,347
World Rank
United Kingdom
3,391
Country Rank
University of Reading Logo
20
University
Ranking Based On Selection:
22
Tim Wheeler
University of Reading Reading, United Kingdom
Agriculture & Forestry / Crop Sciences
Crops and climate chang

Citation Metrics

  • Total
    23,480
  • Last 5 Years
    9,995
  • Last 5 Years / Total
    0.426
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* Total Citation Counts Rankings

Rankings

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43,187
World Rank
United Kingdom
3,811
Country Rank
University of Reading Logo
21
University
Ranking Based On Selection:
23
Bhismadev Chakrabarti
University of Reading Reading, United Kingdom
Medical and Health Sciences / Neuroscience
emotion | autism | empathy | mHealth | gut-brain axi

Citation Metrics

  • Total
    21,573
  • Last 5 Years
    11,869
  • Last 5 Years / Total
    0.550
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* Total Citation Counts Rankings

Rankings

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44,882
World Rank
United Kingdom
3,958
Country Rank
University of Reading Logo
22
University
Ranking Based On Selection:
24
Margaret Clare Smith
University of Reading Reading, United Kingdom
Others
Librarianship | Business Librarianshi

Citation Metrics

  • Total
    20,981
  • Last 5 Years
    13,847
  • Last 5 Years / Total
    0.660
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* Total Citation Counts Rankings

Rankings

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45,031
World Rank
United Kingdom
3,978
Country Rank
University of Reading Logo
23
University
Ranking Based On Selection:
25
Netta Weinstein
University of Reading Reading, United Kingdom
Social Sciences / Psychology
human motivation | well-being | self-regulation | behavioral change | solitud

Citation Metrics

  • Total
    20,936
  • Last 5 Years
    13,878
  • Last 5 Years / Total
    0.663
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