Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 1.448 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlights the most cited and influential researchers across a vast range of scientific fields, covering 211 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation RankingsThis service, offered exclusively and with real-time updates by AD Scientific Index, aims to provide a balanced and dynamic perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers — particularly in the social sciences and humanities. This real-time methodology addresses the unfair advantage researchers with multi-author publications and CERN involvement hold over others, ensuring a more equitable evaluation. Furthermore, real-time citation rankings help uncover rule violations and unethical practices within the research community by continuously monitoring citation behavior.

For more detailed and up-to-date citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
United States
Edward L Deci
self-determination theory
motivation
psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
553,106
225,006
0.407
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
A Bodek
Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
333,233
100,777
0.302
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Aran Garcia Bellido
Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
275,556
101,890
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
Andrew J Elliot
motivation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,980
34,562
0.303
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Maiken Nedergaard
astrocytes
stroke
neuron
neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101,073
48,691
0.482
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Govind P Agrawal
Nonlinear optics
optical communications
silicon photonics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,375
18,879
0.194
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Robert Boyd
nonlinear optics
photonics
optical physics
nanophotonics
quantum optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,968
30,991
0.356
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Kevin S Mcfarland
Experimental Particle Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,168
17,735
0.206
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Clifford W Smith
Financial economics
corporate financial policy
derivative securities and financial intermediation.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
73,423
22,982
0.313

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
United States
Ching W Tang
Organic Electronics
OLED
Displays
Solar Cells
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,455
10,312
0.146
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
Robert H Dworkin
analgesic clinical trials
treatment of pain
prevention of pain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,002
21,741
0.340
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
Irfan Rahman
Cellular Senescence
Mitochondria
Oxidants
epigenetics
COPD and IPF
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,636
21,107
0.332
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
Wendi Heinzelman
Wireless communication and networking
ad hoc networks
wireless sensor networks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,098
9,408
0.152
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United States
Jiebo Luo
AI
multimedia
computational social science
computational medicine
big data analytics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,210
36,518
0.597
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United States
Segev Benzvi
Particle Astrophysics
Gamma Rays
Cosmic Rays
Neutrino Astronomy
Dark Matter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,365
29,495
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United States
Steven R Gill
microbiology
microbiome
genomics
systems biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,982
14,492
0.264
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United States
James Allen
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,722
9,735
0.181
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
Ronald Epstein
medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,400
18,528
0.347
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Harry Reis
psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,885
16,292
0.308
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United States
Bradford Berk
Vascular Biology
Atherosclerosis
Signal Transduction
Neurorehabilitation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,189
6,359
0.135
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
David H Mathews
Computational Biology
RNA
RNA Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,928
14,948
0.340
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
J Zimmerman
accounting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,760
10,052
0.230
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
Xi Cheng Zhang
ultrafast phenomena
nonlinear optics
THz science and technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,730
9,827
0.225
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
Steven A Goldman
Neuroscience
neurology
stem cell biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,703
15,856
0.363
* Total Citation Counts Rankings
Ranking Based On Selection: 25
United States
G William Schwert
Asset Pricing
Corporate Finance
Time Series Analysis
Applied Econometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,589
6,845
0.161
* Total Citation Counts Rankings
Rankings
17
United States
10
1
Ranking Based On Selection: 1
Edward L Deci
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
553,106
225,006
0.407
self-determination theory
motivation
psychology
* Total Citation Counts Rankings
Rankings
150
United States
71
2
Ranking Based On Selection: 2
A Bodek
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
333,233
100,777
0.302
* Total Citation Counts Rankings
Rankings
325
United States
137
3
Ranking Based On Selection: 3
Aran Garcia Bellido
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
275,556
101,890
0.370
* Total Citation Counts Rankings
Rankings
2,550
United States
1,198
4
Ranking Based On Selection: 4
Andrew J Elliot
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,980
34,562
0.303
* Total Citation Counts Rankings
Rankings
3,224
United States
1,524
5
Ranking Based On Selection: 5
Maiken Nedergaard
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101,073
48,691
0.482
* Total Citation Counts Rankings
Rankings
3,491
United States
1,636
6
Ranking Based On Selection: 6
Govind P Agrawal
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,375
18,879
0.194
Nonlinear optics
optical communications
silicon photonics
* Total Citation Counts Rankings
Rankings
4,235
United States
2,002
7
Ranking Based On Selection: 7
Robert Boyd
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,968
30,991
0.356
nonlinear optics
photonics
optical physics
nanophotonics
quantum optics
* Total Citation Counts Rankings
Rankings
4,288
United States
2,028
8
Ranking Based On Selection: 8
Kevin S Mcfarland
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,168
17,735
0.206
* Total Citation Counts Rankings
Rankings
5,639
United States
2,660
9
Ranking Based On Selection: 9
Clifford W Smith
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
73,423
22,982
0.313
Financial economics
corporate financial policy
derivative securities and financial intermediation.
* Total Citation Counts Rankings
Rankings
6,053
United States
2,855
10
Ranking Based On Selection: 10
Ching W Tang
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,455
10,312
0.146

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Total Citation Counts Rankings
Rankings
7,060
United States
3,326
11
Ranking Based On Selection: 11
Robert H Dworkin
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,002
21,741
0.340
analgesic clinical trials
treatment of pain
prevention of pain
* Total Citation Counts Rankings
Rankings
7,131
United States
3,365
12
Ranking Based On Selection: 12
Irfan Rahman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,636
21,107
0.332
Cellular Senescence
Mitochondria
Oxidants
epigenetics
COPD and IPF
* Total Citation Counts Rankings
Rankings
7,404
United States
3,487
13
Ranking Based On Selection: 13
Wendi Heinzelman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,098
9,408
0.152
Wireless communication and networking
ad hoc networks
wireless sensor networks
* Total Citation Counts Rankings
Rankings
7,580
United States
3,577
14
Ranking Based On Selection: 14
Jiebo Luo
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,210
36,518
0.597
AI
multimedia
computational social science
computational medicine
big data analytics
* Total Citation Counts Rankings
Rankings
7,776
United States
3,673
15
Ranking Based On Selection: 15
Segev Benzvi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,365
29,495
0.489
Particle Astrophysics
Gamma Rays
Cosmic Rays
Neutrino Astronomy
Dark Matter
* Total Citation Counts Rankings
Rankings
9,040
United States
4,282
16
Ranking Based On Selection: 16
Steven R Gill
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,982
14,492
0.264
* Total Citation Counts Rankings
Rankings
9,382
United States
4,429
17
Ranking Based On Selection: 17
James Allen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,722
9,735
0.181
* Total Citation Counts Rankings
Rankings
9,485
United States
4,479
18
Ranking Based On Selection: 18
Ronald Epstein
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,400
18,528
0.347
* Total Citation Counts Rankings
Rankings
9,644
United States
4,551
19
Ranking Based On Selection: 19
Harry Reis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,885
16,292
0.308
* Total Citation Counts Rankings
Rankings
11,488
United States
5,422
20
Ranking Based On Selection: 20
Bradford Berk
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,189
6,359
0.135
Vascular Biology
Atherosclerosis
Signal Transduction
Neurorehabilitation
* Total Citation Counts Rankings
Rankings
12,938
United States
6,093
21
Ranking Based On Selection: 21
David H Mathews
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,928
14,948
0.340
* Total Citation Counts Rankings
Rankings
13,009
United States
6,124
22
Ranking Based On Selection: 22
J Zimmerman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,760
10,052
0.230
* Total Citation Counts Rankings
Rankings
13,019
United States
6,127
23
Ranking Based On Selection: 23
Xi Cheng Zhang
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,730
9,827
0.225
ultrafast phenomena
nonlinear optics
THz science and technology
* Total Citation Counts Rankings
Rankings
13,031
United States
6,132
24
Ranking Based On Selection: 24
Steven A Goldman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,703
15,856
0.363
* Total Citation Counts Rankings
Rankings
13,570
United States
6,365
25
Ranking Based On Selection: 25
G William Schwert
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,589
6,845
0.161
Asset Pricing
Corporate Finance
Time Series Analysis
Applied Econometrics