Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 408 Scientists Citation Rankings - 2025
The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed 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
Running
Nutrition
Exercise Physiology
Insulin Resistance
Diabetes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,169
12,224
0.185
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Health Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,810
23,623
0.720
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Public Health
Medicinal Plants and Diabetes Mellitus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,578
5,041
0.665
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Environmental Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,421
2,567
0.400
* Total Citation Counts Rankings
Ranking Based On Selection: 5
natural products chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,392
2,804
0.520
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Chemical Engineering: Bioprocess and Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,019
2,562
0.510
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Biopolymers
Data mining
Rheology
Experimental Design and Data Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,135
2,808
0.679
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,484
1,609
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 9
rooibos
oxidative stress
carcinogenesis
chemoprevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,483
1,729
0.496
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Elearning
Instructional Design
Computers and Education
Blended learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,445
1,443
0.419
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Socioeconomic issues of emerging economies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,244
2,498
0.770
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,964
2,004
0.676
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Digital interactive media marketing communication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,921
2,356
0.807
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Biomarkers of mycotoxin exposure
Analytical chemistry
Bioavailability of Rooibos flavonoids
Oxidative stress biomarkers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,879
609
0.212
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Entrepreneurship
General management
Strategic Management
Public Administration
Business Incubation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,748
2,082
0.758
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Bioprocess engineering
Biological wastewater treatment
Biotechnology engineering
Green chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,496
1,872
0.750
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Genetic Conservation
Ethnobotany
Agronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,481
1,885
0.760
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Environmental Chemistry
Electrochemistry
Analytical Chemistry
Materials Science
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,472
1,062
0.430
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Medical Health and Environmental Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,272
1,841
0.810
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Actinobacteria
oxidative enzymes
antibiotics
systematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,258
1,277
0.566
* Total Citation Counts Rankings
Ranking Based On Selection: 21
ICTs in Education
Teacher Education
Developing Countries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,241
1,160
0.518
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Higher Education
Applied Linguistics
professional education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,227
1,158
0.520
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Environmental Sciences
Environmental Toxicology
Environmental Analytical Chemistry
Ecotoxicology.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,218
1,609
0.725
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Renewable energy
bioremediation of wastewater
resource recovery
waste valorisation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,205
1,413
0.641
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Conceptions of and approaches to learning mathematics
Mathematics and statistical anxiety
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,995
892
0.447
* Total Citation Counts Rankings
Rankings
6,554
21
1
Ranking Based On Selection: 1
Timothy D Noakes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,169
12,224
0.185
Running
Nutrition
Exercise Physiology
Insulin Resistance
Diabetes
* Total Citation Counts Rankings
Rankings
20,033
56
2
Ranking Based On Selection: 2
Tandi Matsha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,810
23,623
0.720
* Total Citation Counts Rankings
Rankings
137,444
543
3
Ranking Based On Selection: 3
Oluwafemi Omoniyi Oguntibeju
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,578
5,041
0.665
Public Health
Medicinal Plants and Diabetes Mellitus
* Total Citation Counts Rankings
Rankings
163,519
647
4
Ranking Based On Selection: 4
Olalekan Fatoki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,421
2,567
0.400
Environmental Analytical Chemistry
* Total Citation Counts Rankings
Rankings
194,494
810
5
Ranking Based On Selection: 5
Ahmed A. Hussein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,392
2,804
0.520
* Total Citation Counts Rankings
Rankings
208,604
872
6
Ranking Based On Selection: 6
Tunde Victor Ojumu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,019
2,562
0.510
Chemical Engineering: Bioprocess and Environmental Engineering
* Total Citation Counts Rankings
Rankings
249,984
1,062
7
Ranking Based On Selection: 7
Victoria A. Jideani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,135
2,808
0.679
Biopolymers
Data mining
Rheology
Experimental Design and Data Analysis
* Total Citation Counts Rankings
Rankings
290,479
1,268
8
Ranking Based On Selection: 8
Ken Findlay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,484
1,609
0.462
* Total Citation Counts Rankings
Rankings
290,550
1,270
9
Ranking Based On Selection: 9
Jeanine L Marnewick|Jeanine L Von Metzinger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,483
1,729
0.496
rooibos
oxidative stress
carcinogenesis
chemoprevention
* Total Citation Counts Rankings
Rankings
293,361
1,283
10
Ranking Based On Selection: 10
Johannes Cronje
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,445
1,443
0.419
Elearning
Instructional Design
Computers and Education
Blended learning
* Total Citation Counts Rankings
Rankings
308,550
1,366
11
Ranking Based On Selection: 11
Chux Gervase Iwu|Chux Iwu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,244
2,498
0.770
Socioeconomic issues of emerging economies
* Total Citation Counts Rankings
Rankings
332,464
1,489
12
Ranking Based On Selection: 12
Daniela Gachago
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,964
2,004
0.676
* Total Citation Counts Rankings
Rankings
336,329
1,516
13
Ranking Based On Selection: 13
Rodney G Duffett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,921
2,356
0.807
Digital interactive media marketing communication
* Total Citation Counts Rankings
Rankings
340,396
1,535
14
Ranking Based On Selection: 14
Liana Van Der Westhuizen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,879
609
0.212
Biomarkers of mycotoxin exposure
Analytical chemistry
Bioavailability of Rooibos flavonoids
Oxidative stress biomarkers
* Total Citation Counts Rankings
Rankings
353,435
1,600
15
Ranking Based On Selection: 15
Robertson K. Tengeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,748
2,082
0.758
Entrepreneurship
General management
Strategic Management
Public Administration
Business Incubation
* Total Citation Counts Rankings
Rankings
381,033
1,755
16
Ranking Based On Selection: 16
S. Ntwampe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,496
1,872
0.750
Bioprocess engineering
Biological wastewater treatment
Biotechnology engineering
Green chemistry
* Total Citation Counts Rankings
Rankings
382,773
1,768
17
Ranking Based On Selection: 17
Francis B. Lewu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,481
1,885
0.760
Genetic Conservation
Ethnobotany
Agronomy
* Total Citation Counts Rankings
Rankings
383,966
1,775
18
Ranking Based On Selection: 18
Vernon Somerset
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,472
1,062
0.430
Environmental Chemistry
Electrochemistry
Analytical Chemistry
Materials Science
Nanotechnology
* Total Citation Counts Rankings
Rankings
408,914
1,916
19
Ranking Based On Selection: 19
Otolorin Adelaja Osibote
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,272
1,841
0.810
* Total Citation Counts Rankings
Rankings
410,867
1,930
20
Ranking Based On Selection: 20
Marilize Le Roes-Hill
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,258
1,277
0.566
Actinobacteria
oxidative enzymes
antibiotics
systematics
* Total Citation Counts Rankings
Rankings
413,221
1,941
21
Ranking Based On Selection: 21
Agnes Chigona
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,241
1,160
0.518
ICTs in Education
Teacher Education
Developing Countries
* Total Citation Counts Rankings
Rankings
415,096
1,957
22
Ranking Based On Selection: 22
Christine Winberg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,227
1,158
0.520
Higher Education
Applied Linguistics
professional education
* Total Citation Counts Rankings
Rankings
416,208
1,964
23
Ranking Based On Selection: 23
Beatrice Opeolu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,218
1,609
0.725
Environmental Sciences
Environmental Toxicology
Environmental Analytical Chemistry
Ecotoxicology.
* Total Citation Counts Rankings
Rankings
418,075
1,971
24
Ranking Based On Selection: 24
Oluwaseun Oyekola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,205
1,413
0.641
Renewable energy
bioremediation of wastewater
resource recovery
waste valorisation
* Total Citation Counts Rankings
Rankings
449,605
2,140
25
Ranking Based On Selection: 25
Andile Mji
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,995
892
0.447
Conceptions of and approaches to learning mathematics
Mathematics and statistical anxiety