Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Personality
Emotion
Cognition
Self-Regulation
Motivation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,088
11,813
0.380
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Polymer Science
Materials Science
Composite Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,401
10,696
0.457
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Plant Science
Agriculture
Food Science
Human Nutrition
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,144
9,100
0.377
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
existential psychology
meaning
nostalgia
flourishing
human progress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,600
8,036
0.550
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Food and Grain Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,799
5,172
0.663
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
disordered eating
nonsuicidal self-injury
suicidal behavior
eating disorders
suicide
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,430
5,120
0.448
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Soil Physics
Soil Health
Hydrology and Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,076
4,969
0.818
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Developmental Programming
Fertility
Pregnancy Outcome
Placental Angiogenesis
Parturition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,120
4,823
0.266
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Evolutionary Biology
Evolutionary and Conservation Genetics
Floral Evolution
Pollinators and Sustainable Agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,321
4,626
0.375
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Wheat Breeding
Wheat Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,662
4,605
0.691
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Remote sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,324
4,490
0.843
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Population Biology
Evolutionary Ecology
Reproductive Biology
Conservation Genetics
Plant Pollinator Interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,912
4,452
0.374
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,514
4,393
0.214
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Food and Bioprocess Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,694
4,364
0.450
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Bioinformatics
computational biology
solid-state physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,247
4,285
0.686
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Hydrologic Modeling
Hillslope Hydrology
Watershed Modeling
Topographic Analysis
Water Resources Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,991
4,096
0.821
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Wetland Ecology
Landscape Ecology
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,535
4,092
0.233
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Nano drugs delivery
Extraction
Inustrumentation
Nuclear Pharmacy
soft drinks analysis and water purification
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,560
4,034
0.615
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,410
3,789
0.451
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Biobased Polymers
Recycling
Nanomaterial Synthesis
Composites
Hydrogels
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,253
3,726
0.514
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
social psychology
health psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,822
3,598
0.227
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Beneficical plant microbe interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,299
3,583
0.491
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Perovskite Solar Cell
Organic Solar Cell
Nanotechnology
Applied and Computational Mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,569
3,514
0.985
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Agricultural Engineering
Biomass Conversion
Food Processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,793
3,426
0.715
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Intelligent Transportation Systems
Big Data
Machine Learning
Artificial Intelligence
Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,682
3,359
0.265
Michael Robinson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,088
11,813
0.380
Personality
Emotion
Cognition
Self-Regulation
Motivation
Michael R Kessler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,401
10,696
0.457
Polymer Science
Materials Science
Composite Materials
Kalidas Shetty
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,144
9,100
0.377
Plant Science
Agriculture
Food Science
Human Nutrition
Public Health
Clay Routledge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,600
8,036
0.550
existential psychology
meaning
nostalgia
flourishing
human progress
Senay Simsek
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,799
5,172
0.663
Food and Grain Chemistry
Kathryn Gordon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,430
5,120
0.448
disordered eating
nonsuicidal self-injury
suicidal behavior
eating disorders
suicide
Sandeep Kumar
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,076
4,969
0.818
Soil Physics
Soil Health
Hydrology and Modeling
Reynolds Lawrence P
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,120
4,823
0.266
Developmental Programming
Fertility
Pregnancy Outcome
Placental Angiogenesis
Parturition
Charles B Fenster
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,321
4,626
0.375
Evolutionary Biology
Evolutionary and Conservation Genetics
Floral Evolution
Pollinators and Sustainable Agriculture
Sunish Sehgal
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,662
4,605
0.691
Hankui Zhang|Hankui K. Zhang
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,324
4,490
0.843
Michele R Dudash
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,912
4,452
0.374
Population Biology
Evolutionary Ecology
Reproductive Biology
Conservation Genetics
Plant Pollinator Interactions
Bonny Specker
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,514
4,393
0.214
Kasiviswanathan Muthukumarappan
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,694
4,364
0.450
Food and Bioprocess Engineering
Steven Xijin Ge
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,247
4,285
0.686
Bioinformatics
computational biology
solid-state physics
Xuefeng Chu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,991
4,096
0.821
Hydrologic Modeling
Hillslope Hydrology
Watershed Modeling
Topographic Analysis
Water Resources Systems
Carol A Johnston
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,535
4,092
0.233
Wetland Ecology
Landscape Ecology
Soil Science
Mukhlesur Rahman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,560
4,034
0.615
Nano drugs delivery
Extraction
Inustrumentation
Nuclear Pharmacy
soft drinks analysis and water purification
David Clay
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,410
3,789
0.451
Long Jiang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,253
3,726
0.514
Biobased Polymers
Recycling
Nanomaterial Synthesis
Composites
Hydrogels
Kevin Mccaul
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,822
3,598
0.227
Heike Bucking
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,299
3,583
0.491
Beneficical plant microbe interactions
Behzad Bahrami
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,569
3,514
0.985
Perovskite Solar Cell
Organic Solar Cell
Nanotechnology
Applied and Computational Mathematics
Lin Wei
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,793
3,426
0.715
Agricultural Engineering
Biomass Conversion
Food Processing
Raj Bridgelall
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,682
3,359
0.265
Intelligent Transportation Systems
Big Data
Machine Learning
Artificial Intelligence
Sensing