Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
239,769
Country Rank
84,015
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Gerald Hankins](/user/assets/images/profile/no-profile-photo.png)
cancer pathobiology
natural compounds for cancer treatment
photodynamic therapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,128
684
0.166
* Total Citation Counts Rankings
World Rank
483,831
Country Rank
152,047
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Padma Nimmakayala](https://cdn.adscientificindex.com/pictures/1f/828320.jpg)
Plant breeding and genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,702
1,200
0.705
* Total Citation Counts Rankings
World Rank
548,760
Country Rank
169,362
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Purushothaman Natarajan](https://cdn.adscientificindex.com/pictures/96/826616.jpg)
Genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,404
1,165
0.830
* Total Citation Counts Rankings
World Rank
574,333
Country Rank
176,101
Institution Rank : 355
![](https://cdn.adscientificindex.com/logos/11912.jpg)
![United States](/flags/us.png)
![David S Mebane](https://cdn.adscientificindex.com/pictures/9b/832321.jpg)
Solid State Electrochemistry
Computational Materials Science
Machine Learning
Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,305
597
0.457
* Total Citation Counts Rankings
World Rank
660,058
Country Rank
198,094
Institution Rank : 406
![](https://cdn.adscientificindex.com/logos/11912.jpg)
![United States](/flags/us.png)
![Mingyang Gong](https://cdn.adscientificindex.com/pictures/76/832031.jpg)
Solid Oxide Fuel Cells
Computation modeling
Advanced electrode materials
Solid State Electrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,026
259
0.252
* Total Citation Counts Rankings
World Rank
670,866
Country Rank
200,799
Institution Rank : 411
![](https://cdn.adscientificindex.com/logos/11912.jpg)
![United States](/flags/us.png)
![William Franko](https://cdn.adscientificindex.com/pictures/83/824482.jpg)
American Politics
State Politics
Political Inequality
Economic Inequality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
995
651
0.654
* Total Citation Counts Rankings
World Rank
694,116
Country Rank
206,486
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Sridhar A Malkaram](/user/assets/images/profile/no-profile-photo.png)
Computational Biology
Bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
933
547
0.586
* Total Citation Counts Rankings
World Rank
694,515
Country Rank
206,585
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Amir Hass](/user/assets/images/profile/no-profile-photo.png)
Soil and Water Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
932
499
0.535
* Total Citation Counts Rankings
World Rank
710,241
Country Rank
210,390
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Thangasamy Saminathan](https://cdn.adscientificindex.com/pictures/fe/837929.jpg)
Genetics
molecular biology
genomics and groundwater remediation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
892
612
0.686
* Total Citation Counts Rankings
World Rank
739,237
Country Rank
217,340
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Venu Perla](https://cdn.adscientificindex.com/pictures/f5/840727.jpg)
Nutraceuticals
Nanoscience & Technology
Biomedical Engineering
Tissue Engineering
Plant Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
823
330
0.401
* Total Citation Counts Rankings
World Rank
761,262
Country Rank
222,533
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Sudip Kumar Dutta](https://cdn.adscientificindex.com/pictures/f2/4446656.jpg)
Horticulture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
773
676
0.875
* Total Citation Counts Rankings
World Rank
781,443
Country Rank
227,116
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Ruhnke](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
730
298
0.408
* Total Citation Counts Rankings
World Rank
868,190
Country Rank
246,289
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Venkatagopinath Vajja](/user/assets/images/profile/no-profile-photo.png)
Molecular Plant Breeding
Plant Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
562
349
0.621
* Total Citation Counts Rankings
World Rank
925,957
Country Rank
258,088
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Fernando Rojano Aguilar](/user/assets/images/profile/no-profile-photo.png)
Biosystems Engineering
Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
464
344
0.741
* Total Citation Counts Rankings
World Rank
987,471
Country Rank
269,822
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Krishna Reddy Challa](/user/assets/images/profile/no-profile-photo.png)
Plant Molecular Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
336
0.898
* Total Citation Counts Rankings
World Rank
1,073,991
Country Rank
284,306
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Carmen Ld Nichols](https://cdn.adscientificindex.com/pictures/5d/4541915.jpg)
Aquatic Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
275
162
0.589
* Total Citation Counts Rankings
World Rank
1,083,803
Country Rank
285,872
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Mohamed Megahed](https://cdn.adscientificindex.com/pictures/54/4543266.jpg)
Sustainable Fisheries and aquaculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
175
0.658
* Total Citation Counts Rankings
World Rank
1,087,056
Country Rank
286,377
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![John Idenyi](https://cdn.adscientificindex.com/pictures/40/4797860.jpg)
Biotechnology
Aquaculture
Gene expression
Bioinformatics
Microbiome
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
263
206
0.783
* Total Citation Counts Rankings
World Rank
1,113,508
Country Rank
290,303
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Rajesh Kumar Jha](https://cdn.adscientificindex.com/pictures/d6/4312984.jpg)
Plant Molecular Biology
Abiotic stress
Bio-energy.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
241
216
0.896
* Total Citation Counts Rankings
World Rank
1,533,039
Country Rank
352,601
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Waheed Mahmoud](https://cdn.adscientificindex.com/pictures/dc/4797861.jpg)
fish reproduction
aquaculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
68
20
0.294
* Total Citation Counts Rankings
World Rank
1,562,445
Country Rank
356,972
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Manashi Ray](https://cdn.adscientificindex.com/pictures/db/4797862.jpg)
Globalization
Migration and Refugee Studies. Transnationalism
Social Networks
Gender and India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
30
0.484
* Total Citation Counts Rankings
World Rank
1,623,987
Country Rank
365,675
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Thomas J Kiddie](https://cdn.adscientificindex.com/pictures/a2/4797863.jpg)
business communication
technical writing
comparative literature
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
21
0.412
* Total Citation Counts Rankings
World Rank
1,661,777
Country Rank
371,023
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Mark L Wilson](https://cdn.adscientificindex.com/pictures/f8/4797864.jpg)
economics education
statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45
20
0.444
* Total Citation Counts Rankings
World Rank
1,740,369
Country Rank
381,676
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Raphael Mutepa](https://cdn.adscientificindex.com/pictures/b6/4797866.jpg)
Qualitative Research
Constructivist Research
HIV/AIDS
Human Behavior in the Social Environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34
31
0.912
* Total Citation Counts Rankings
World Rank
1,777,927
Country Rank
386,498
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/11911.png)
![United States](/flags/us.png)
![Tammy Vance](/pictures/61/4797865.jpg)
Social Work
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
10
0.333
Gerald Hankins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,128
684
0.166
cancer pathobiology
natural compounds for cancer treatment
photodynamic therapy
Padma Nimmakayala
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,702
1,200
0.705
Purushothaman Natarajan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,404
1,165
0.830
David S Mebane
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,305
597
0.457
Solid State Electrochemistry
Computational Materials Science
Machine Learning
Sustainability
Mingyang Gong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,026
259
0.252
Solid Oxide Fuel Cells
Computation modeling
Advanced electrode materials
Solid State Electrochemistry
William Franko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
995
651
0.654
American Politics
State Politics
Political Inequality
Economic Inequality
Sridhar A Malkaram
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
933
547
0.586
Computational Biology
Bioinformatics
Amir Hass
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
932
499
0.535
Soil and Water Chemistry
Thangasamy Saminathan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
892
612
0.686
Genetics
molecular biology
genomics and groundwater remediation
Venu Perla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
823
330
0.401
Nutraceuticals
Nanoscience & Technology
Biomedical Engineering
Tissue Engineering
Plant Physiology
Sudip Kumar Dutta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
773
676
0.875
Ruhnke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
730
298
0.408
Venkatagopinath Vajja
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
562
349
0.621
Molecular Plant Breeding
Plant Biotechnology
Fernando Rojano Aguilar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
464
344
0.741
Biosystems Engineering
Environmental Engineering
Krishna Reddy Challa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
336
0.898
Carmen Ld Nichols
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
275
162
0.589
Mohamed Megahed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
175
0.658
Sustainable Fisheries and aquaculture
John Idenyi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
263
206
0.783
Biotechnology
Aquaculture
Gene expression
Bioinformatics
Microbiome
Rajesh Kumar Jha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
241
216
0.896
Plant Molecular Biology
Abiotic stress
Bio-energy.
Waheed Mahmoud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
68
20
0.294
Manashi Ray
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
30
0.484
Globalization
Migration and Refugee Studies. Transnationalism
Social Networks
Gender and India
Thomas J Kiddie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
21
0.412
business communication
technical writing
comparative literature
Mark L Wilson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45
20
0.444
Raphael Mutepa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34
31
0.912
Qualitative Research
Constructivist Research
HIV/AIDS
Human Behavior in the Social Environment
Tammy Vance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
10
0.333