Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 281 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
urologic oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,371
28,325
0.849
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,483
6,612
0.294
* Total Citation Counts Rankings
Ranking Based On Selection: 3
history of tenni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,668
2,603
0.126
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Cybersecurity
AI/ML
Human-Autonomy Teaming
Big Data Analytics
Wireless System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,879
11,873
0.748
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Development
Gender
Afric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,587
3,764
0.356
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Enterprise-Scale Optimization
Multidisciplinary Design Optimization (MDO)
Renewable Energy
Aerospace Structure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,968
2,189
0.220
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Cancer Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,985
5,753
0.576
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Aging
Stem Cells
Epigenetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,776
2,736
0.312
* Total Citation Counts Rankings
Ranking Based On Selection: 9
atmospheric measurements
lida
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,155
1,748
0.214
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Black males
HBCUs
minoritized students in higher education
college access and success
MSI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,894
3,708
0.470
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Energy
Functional Materials and Desalinatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,354
6,975
0.948
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Translational Studies in Sickle Cell Disease
Pain
Genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,267
2,210
0.353
* Total Citation Counts Rankings
Ranking Based On Selection: 13
environmental engineering
water treatment
environmental nanotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,990
2,200
0.367
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Bioremediation
Gene Expression
Exposue Biology
Genomic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,601
1,159
0.207
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Physics - Materials Science -Computational Physics-Nanoscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,486
2,114
0.385
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,942
2,071
0.419
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Cancer Biology
Epigenetics
Health Disparitie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,243
873
0.206
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Electronic Instrumentation
Embedded Systems
Biomedical Engineering
Medical Electronics
Oilfiel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,084
750
0.184
* Total Citation Counts Rankings
Ranking Based On Selection: 19
particle physics
supersymmetry
field theory
string theor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,957
1,076
0.272
* Total Citation Counts Rankings
Ranking Based On Selection: 20
OER textbooks
STEM education
Chemica Physiuc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,861
261
0.068
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Health disparitie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,893
1,321
0.339
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Domestic violence
HIV
African American
mental health
wome
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,728
1,641
0.440
* Total Citation Counts Rankings
Ranking Based On Selection: 23
high-pressure chemistry
nitride
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,720
2,989
0.803
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,720
1,446
0.389
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,713
2,324
0.626
* Total Citation Counts Rankings
Rankings
20,440
9,404
1
Ranking Based On Selection: 1
Adam R. Metwalli
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,371
28,325
0.849
* Total Citation Counts Rankings
Rankings
36,818
16,382
2
Ranking Based On Selection: 2
Ray Butcher
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,483
6,612
0.294
* Total Citation Counts Rankings
Rankings
41,537
18,210
3
Ranking Based On Selection: 3
Ally Williams
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,668
2,603
0.126
* Total Citation Counts Rankings
Rankings
59,273
25,084
4
Ranking Based On Selection: 4
Danda B. Rawat
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,879
11,873
0.748
Cybersecurity
AI/ML
Human-Autonomy Teaming
Big Data Analytics
Wireless System
* Total Citation Counts Rankings
Rankings
98,143
39,034
5
Ranking Based On Selection: 5
Elizabeth Asiedu
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,587
3,764
0.356
* Total Citation Counts Rankings
Rankings
105,191
41,481
7
Ranking Based On Selection: 6
Achille Messac
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,968
2,189
0.220
Enterprise-Scale Optimization
Multidisciplinary Design Optimization (MDO)
Renewable Energy
Aerospace Structure
* Total Citation Counts Rankings
Rankings
104,996
41,418
6
Ranking Based On Selection: 7
Hassan Ashktorab
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,985
5,753
0.576
* Total Citation Counts Rankings
Rankings
121,517
46,963
8
Ranking Based On Selection: 8
Antonei Benjamin Csoka
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,776
2,736
0.312
* Total Citation Counts Rankings
Rankings
131,846
50,362
9
Ranking Based On Selection: 9
David N Whiteman
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,155
1,748
0.214
* Total Citation Counts Rankings
Rankings
136,600
51,934
10
Ranking Based On Selection: 10
Robert T Palmer
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,894
3,708
0.470
Black males
HBCUs
minoritized students in higher education
college access and success
MSI
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
147,415
55,386
1
Ranking Based On Selection: 11
Phillips Olaleye Agboola|Phillips Olaleye Agboola, PO Agboola, OP Agboola
Howard Payne University
Brownwood, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,354
6,975
0.948
Energy
Functional Materials and Desalinatio
* Total Citation Counts Rankings
Rankings
173,996
63,733
11
Ranking Based On Selection: 12
James G Taylor
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,267
2,210
0.353
* Total Citation Counts Rankings
Rankings
182,159
66,225
12
Ranking Based On Selection: 13
Kimberly Jones
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,990
2,200
0.367
environmental engineering
water treatment
environmental nanotechnolog
* Total Citation Counts Rankings
Rankings
194,594
70,080
13
Ranking Based On Selection: 14
Sisir Dutta
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,601
1,159
0.207
Bioremediation
Gene Expression
Exposue Biology
Genomic
* Total Citation Counts Rankings
Rankings
198,562
71,242
14
Ranking Based On Selection: 15
Ivan Naumov
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,486
2,114
0.385
Physics - Materials Science -Computational Physics-Nanoscienc
* Total Citation Counts Rankings
Rankings
219,690
77,457
15
Ranking Based On Selection: 16
Sergei Nekhai
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,942
2,071
0.419
* Total Citation Counts Rankings
Rankings
253,191
87,295
16
Ranking Based On Selection: 17
Bernard Kwabi Addo
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,243
873
0.206
Cancer Biology
Epigenetics
Health Disparitie
* Total Citation Counts Rankings
Rankings
262,188
89,891
2
Ranking Based On Selection: 18
Martin Mintchev
Howard Payne University
Brownwood, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,084
750
0.184
Electronic Instrumentation
Embedded Systems
Biomedical Engineering
Medical Electronics
Oilfiel
* Total Citation Counts Rankings
Rankings
269,630
92,020
17
Ranking Based On Selection: 19
Tristan Hubsch
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,957
1,076
0.272
particle physics
supersymmetry
field theory
string theor
* Total Citation Counts Rankings
Rankings
275,361
93,711
19
Ranking Based On Selection: 20
Joshua Halpern
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,861
261
0.068
OER textbooks
STEM education
Chemica Physiuc
* Total Citation Counts Rankings
Rankings
273,419
93,129
18
Ranking Based On Selection: 21
Carla Williams
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,893
1,321
0.339
* Total Citation Counts Rankings
Rankings
283,881
96,109
20
Ranking Based On Selection: 22
Tricia Bent Goodley
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,728
1,641
0.440
Domestic violence
HIV
African American
mental health
wome
* Total Citation Counts Rankings
Rankings
284,374
96,251
21
Ranking Based On Selection: 23
Maxim Bykov
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,720
2,989
0.803
high-pressure chemistry
nitride
* Total Citation Counts Rankings
Rankings
284,417
96,262
22
Ranking Based On Selection: 24
Kimberley Freeman
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,720
1,446
0.389
* Total Citation Counts Rankings
Rankings
284,882
96,386
23
Ranking Based On Selection: 25
Qiyi Tang
Howard University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,713
2,324
0.626