Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 200 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Supernumerary B chromosome
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,343
10,201
0.259
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Veterinary Science
Tuberculosi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,218
6,213
0.220
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Fungal Biology
Mycology
Ecology
Mycorrhiz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,579
12,517
0.454
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Glacial Geomorphology
Glaciology
Glacial Erosion and Sedimentation
Climate Chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,413
9,246
0.453
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Luminescence dating
geochronology
Quaternary scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,384
6,663
0.327
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Biogeography
Earth Observation
Biomass
Biodiversity
Land Cove
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,226
11,254
0.556
* Total Citation Counts Rankings
Ranking Based On Selection: 7
polymer science
dielectric relaxation
. glass forming liquids
mechanical relaxation if polymer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,942
2,374
0.119
* Total Citation Counts Rankings
Ranking Based On Selection: 8
International Relation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,874
4,262
0.214
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Artificial Intelligence
Computational Intelligence
Intelligent Systems
Fuzzy System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,857
7,212
0.404
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Ichthyology
Fish Biology
Ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,492
2,861
0.164
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Food Security and Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,408
7,443
0.428
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Flow cytometry
microbiology
yeast
bioterroris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,343
5,571
0.321
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,135
11,708
0.683
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Plant Development
Cell cycle and growth contro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,997
5,091
0.300
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Genetics
Epigenetics
Metabarcoding
Genomics
Molecular Genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,737
4,007
0.255
* Total Citation Counts Rankings
Ranking Based On Selection: 16
semiotic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,564
5,502
0.354
* Total Citation Counts Rankings
Ranking Based On Selection: 17
crop science
plant breeding
greenhouse gas mitigation
biomass and bioenerg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,805
4,503
0.304
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Metabolomics
dietary biomarkers
urine chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,628
2,784
0.204
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Environmental Economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,465
6,614
0.531
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Tephrochronology
geochemistry
geoarchaeology
environmental geochemistry
LA-ICP-M
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,778
3,401
0.289
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Global health politics and securit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,367
7,878
0.693
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Crop science
Biomass and bioenergy
Land use
Net zer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,076
4,070
0.367
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Palaeoclimate
human origins
Africa
palaeolimnology
palaeoecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,011
3,137
0.348
* Total Citation Counts Rankings
Ranking Based On Selection: 24
human geography
cultural geography
spatial theory
mobilities
historical geograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,934
3,822
0.428
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Artificial Intelligence
Fuzzy sets
Rough sets
Feature Selection
Dimensionality Reductio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,874
2,290
0.258
* Total Citation Counts Rankings
Rankings
15,890
1,396
1
Ranking Based On Selection: 1
R. Neil Jones
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,343
10,201
0.259
* Total Citation Counts Rankings
Rankings
26,509
2,307
2
Ranking Based On Selection: 2
Glyn Hewinson
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,218
6,213
0.220
Veterinary Science
Tuberculosi
* Total Citation Counts Rankings
Rankings
27,475
2,395
3
Ranking Based On Selection: 3
Gareth W Griffith
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,579
12,517
0.454
Fungal Biology
Mycology
Ecology
Mycorrhiz
* Total Citation Counts Rankings
Rankings
42,320
3,691
4
Ranking Based On Selection: 4
Neil F Glasser
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,413
9,246
0.453
Glacial Geomorphology
Glaciology
Glacial Erosion and Sedimentation
Climate Chang
* Total Citation Counts Rankings
Rankings
42,406
3,701
5
Ranking Based On Selection: 5
Geoff Duller
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,384
6,663
0.327
* Total Citation Counts Rankings
Rankings
42,866
3,739
6
Ranking Based On Selection: 6
Richard Lucas
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,226
11,254
0.556
Biogeography
Earth Observation
Biomass
Biodiversity
Land Cove
* Total Citation Counts Rankings
Rankings
43,672
3,816
7
Ranking Based On Selection: 7
Graham Williams
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,942
2,374
0.119
polymer science
dielectric relaxation
. glass forming liquids
mechanical relaxation if polymer
* Total Citation Counts Rankings
Rankings
43,876
3,841
8
Ranking Based On Selection: 8
Ken Booth
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,874
4,262
0.214
International Relation
* Total Citation Counts Rankings
Rankings
50,800
4,410
9
Ranking Based On Selection: 9
Qiang Shen
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,857
7,212
0.404
Artificial Intelligence
Computational Intelligence
Intelligent Systems
Fuzzy System
* Total Citation Counts Rankings
Rankings
52,201
4,528
10
Ranking Based On Selection: 10
RJ Wootton
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,492
2,861
0.164
Ichthyology
Fish Biology
Ecolog
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Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
52,538
4,550
11
Ranking Based On Selection: 11
Luis AJ Mur
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,408
7,443
0.428
Food Security and Healt
* Total Citation Counts Rankings
Rankings
52,784
4,570
12
Ranking Based On Selection: 12
Hazel Davey
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,343
5,571
0.321
Flow cytometry
microbiology
yeast
bioterroris
* Total Citation Counts Rankings
Rankings
53,636
4,636
13
Ranking Based On Selection: 13
Karl F Hoffmann
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,135
11,708
0.683
* Total Citation Counts Rankings
Rankings
54,225
4,682
14
Ranking Based On Selection: 14
John H Doonan
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,997
5,091
0.300
Plant Development
Cell cycle and growth contro
* Total Citation Counts Rankings
Rankings
60,168
5,167
15
Ranking Based On Selection: 15
MJ Wilkinson
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,737
4,007
0.255
Genetics
Epigenetics
Metabarcoding
Genomics
Molecular Genetic
* Total Citation Counts Rankings
Rankings
61,074
5,247
16
Ranking Based On Selection: 16
Daniel Chandler
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,564
5,502
0.354
* Total Citation Counts Rankings
Rankings
65,118
5,607
17
Ranking Based On Selection: 17
John Clifton Brown
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,805
4,503
0.304
crop science
plant breeding
greenhouse gas mitigation
biomass and bioenerg
* Total Citation Counts Rankings
Rankings
72,436
6,202
18
Ranking Based On Selection: 18
John Draper
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,628
2,784
0.204
Metabolomics
dietary biomarkers
urine chemistr
* Total Citation Counts Rankings
Rankings
80,785
6,887
19
Ranking Based On Selection: 19
Mike Christie
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,465
6,614
0.531
Environmental Economic
* Total Citation Counts Rankings
Rankings
86,689
7,335
20
Ranking Based On Selection: 20
Nicholas Jg Pearce
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,778
3,401
0.289
Tephrochronology
geochemistry
geoarchaeology
environmental geochemistry
LA-ICP-M
* Total Citation Counts Rankings
Rankings
90,479
7,621
21
Ranking Based On Selection: 21
Colin Mcinnes
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,367
7,878
0.693
Global health politics and securit
* Total Citation Counts Rankings
Rankings
93,318
7,829
22
Ranking Based On Selection: 22
Iain Donnison
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,076
4,070
0.367
Crop science
Biomass and bioenergy
Land use
Net zer
* Total Citation Counts Rankings
Rankings
118,190
9,647
23
Ranking Based On Selection: 23
Henry F Lamb
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,011
3,137
0.348
Palaeoclimate
human origins
Africa
palaeolimnology
palaeoecolog
* Total Citation Counts Rankings
Rankings
119,366
9,760
24
Ranking Based On Selection: 24
Peter Merriman
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,934
3,822
0.428
human geography
cultural geography
spatial theory
mobilities
historical geograph
* Total Citation Counts Rankings
Rankings
120,244
9,826
25
Ranking Based On Selection: 25
Richard Jensen
Aberystwyth University
Aberystwyth, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,874
2,290
0.258
Artificial Intelligence
Fuzzy sets
Rough sets
Feature Selection
Dimensionality Reductio