Citation Rankings
Highly Cited Researchers
Others Highly Cited Researchers 177 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
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,126
15,308
0.412
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Cyclodextrins
solubilization
stabilization
prodrugs
soft drug
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,364
12,202
0.345
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,389
7,150
0.436
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,517
5,490
0.439
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,516
5,792
0.463
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Cancer Researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,665
7,152
0.740
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Vision
Attention
Eye Movement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,664
4,071
0.470
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,289
3,317
0.455
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Innate immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,590
2,286
0.347
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
glaciology
eletronic engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,168
2,510
0.407
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Psoriatic arthriti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,053
3,374
0.557
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,025
1,305
0.260
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,884
1,515
0.310
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,636
626
0.135
* Total Citation Counts Rankings
Ranking Based On Selection: 15
glaciology
ice sheet modelling
climat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,942
1,729
0.439
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,971
1,691
0.426
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,746
1,521
0.406
* Total Citation Counts Rankings
Ranking Based On Selection: 18
human behavior
interaction
communication
non-verbal interaction
t-pattern
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,706
1,347
0.363
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,651
1,366
0.374
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,420
1,220
0.357
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Glaciology
ice volcano interaction
remote sensin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,166
1,599
0.505
* Total Citation Counts Rankings
Ranking Based On Selection: 22
PMS
womens health
postoperative complication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,218
1,497
0.465
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,012
877
0.291
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,941
2,047
0.696
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Computational science
control theory
numerical PDE'
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,848
704
0.247
* Total Citation Counts Rankings
Rankings
17,720
18
9
Ranking Based On Selection: 1
Agnar Helgason
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,126
15,308
0.412
* Total Citation Counts Rankings
Rankings
18,772
19
10
Ranking Based On Selection: 2
Thorsteinn Loftsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,364
12,202
0.345
Cyclodextrins
solubilization
stabilization
prodrugs
soft drug
* Total Citation Counts Rankings
Rankings
57,059
38
20
Ranking Based On Selection: 3
Ogmundsdottir Mh
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,389
7,150
0.436
* Total Citation Counts Rankings
Rankings
80,553
49
30
Ranking Based On Selection: 4
Johannes R Sveinsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,517
5,490
0.439
* Total Citation Counts Rankings
Rankings
80,564
50
31
Ranking Based On Selection: 5
Jon Tomas Gudmundsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,516
5,792
0.463
* Total Citation Counts Rankings
Rankings
109,372
64
40
Ranking Based On Selection: 6
Olafur Stefansson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,665
7,152
0.740
* Total Citation Counts Rankings
Rankings
124,946
72
46
Ranking Based On Selection: 7
Arni Kristjansson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,664
4,071
0.470
* Total Citation Counts Rankings
Rankings
149,292
83
54
Ranking Based On Selection: 8
Steinunn Gestsdottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,289
3,317
0.455
* Total Citation Counts Rankings
Rankings
165,879
98
63
Ranking Based On Selection: 9
Bergljot Magnadottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,590
2,286
0.347
* Total Citation Counts Rankings
Rankings
177,456
104
68
Ranking Based On Selection: 10
Finnur Pálsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,168
2,510
0.407
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* Total Citation Counts Rankings
Rankings
180,865
107
71
Ranking Based On Selection: 11
Þorvarður Jón Löve|Thorvardur Jon Love, Thorvardur Love
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,053
3,374
0.557
* Total Citation Counts Rankings
Rankings
217,018
129
86
Ranking Based On Selection: 12
Gudrun Marteinsdottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,025
1,305
0.260
* Total Citation Counts Rankings
Rankings
222,902
134
91
Ranking Based On Selection: 13
Olgeir Sigmarsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,884
1,515
0.310
* Total Citation Counts Rankings
Rankings
234,055
143
98
Ranking Based On Selection: 14
Gunnlaugur Björnsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,636
626
0.135
* Total Citation Counts Rankings
Rankings
271,332
159
113
Ranking Based On Selection: 15
Gudfinna Adalgeirsdottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,942
1,729
0.439
* Total Citation Counts Rankings
Rankings
269,561
158
112
Ranking Based On Selection: 16
Kristin Olafsdottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,971
1,691
0.426
* Total Citation Counts Rankings
Rankings
283,591
168
120
Ranking Based On Selection: 17
Erlingur Johannsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,746
1,521
0.406
* Total Citation Counts Rankings
Rankings
286,290
170
121
Ranking Based On Selection: 18
Gudberg K Jonsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,706
1,347
0.363
human behavior
interaction
communication
non-verbal interaction
t-pattern
* Total Citation Counts Rankings
Rankings
289,924
173
123
Ranking Based On Selection: 19
Kjartan Thor Wikfeldt
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,651
1,366
0.374
* Total Citation Counts Rankings
Rankings
306,498
185
129
Ranking Based On Selection: 20
Sigurbjörn Arngrímsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,420
1,220
0.357
* Total Citation Counts Rankings
Rankings
327,041
208
145
Ranking Based On Selection: 21
Eyjólfur Magnússon
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,166
1,599
0.505
* Total Citation Counts Rankings
Rankings
322,575
201
140
Ranking Based On Selection: 22
Herdis Sveinsdottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,218
1,497
0.465
* Total Citation Counts Rankings
Rankings
340,257
216
151
Ranking Based On Selection: 23
Ólöf Birna Ólafsdóttir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,012
877
0.291
* Total Citation Counts Rankings
Rankings
347,173
223
157
Ranking Based On Selection: 24
Ragna B Garðarsdóttir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,941
2,047
0.696
* Total Citation Counts Rankings
Rankings
356,366
226
159
Ranking Based On Selection: 25
Sven Sigurdsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,848
704
0.247