Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (936,901 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
J Renee Brooks
forest ecology
stable isotopes
isotope hydrology
plant ecophysiology
ecohydrology
Metrics
H-Index
i10 Index
Citation
51
91
8,881
* Rankings
Ranking Based On Selection: 2
Mark G Johnson
soils
roots
biochar
contaminated soil remediation
nanomaterials
Metrics
H-Index
i10 Index
Citation
47
108
11,341
* Rankings
Ranking Based On Selection: 3
Christian P Andersen
plant ecophysiology
soil ecology
air quality
nanomaterials
mycorrhizae
Metrics
H-Index
i10 Index
Citation
35
60
4,589
W Matthew Henderson
Toxicology
Environmental Toxicology
Metabolomics
Pesticides
Amphibian Exposures
Metrics
H-Index
i10 Index
Citation
22
37
2,759
Donna A Glinski
Toxicology
Pesticides
Amphibian Exposures
Environmental Toxicology
Metrics
H-Index
i10 Index
Citation
13
15
645
Rankings
Ranking Based On Selection: 1
J Renee Brooks
Metrics
H-Index
i10 Index
Citation Counts
51
91
8,881
forest ecology
stable isotopes
isotope hydrology
plant ecophysiology
ecohydrology
Rankings
Ranking Based On Selection: 2
Mark G Johnson
Metrics
H-Index
i10 Index
Citation Counts
47
108
11,341
soils
roots
biochar
contaminated soil remediation
nanomaterials
Rankings
Ranking Based On Selection: 3
Christian P Andersen
Metrics
H-Index
i10 Index
Citation Counts
35
60
4,589
plant ecophysiology
soil ecology
air quality
nanomaterials
mycorrhizae
Rankings
Ranking Based On Selection: 4
W Matthew Henderson
Metrics
H-Index
i10 Index
Citation Counts
22
37
2,759
Toxicology
Environmental Toxicology
Metabolomics
Pesticides
Amphibian Exposures
Rankings
Ranking Based On Selection: 5
Aurash Shahripour
Metrics
H-Index
i10 Index
Citation Counts
19
24
1,110
Rankings
Ranking Based On Selection: 6
Donna A Glinski
Metrics
H-Index
i10 Index
Citation Counts
13
15
645
Toxicology
Pesticides
Amphibian Exposures
Environmental Toxicology
Rankings
Ranking Based On Selection: 7
Jim Lazorchak
Metrics
H-Index
i10 Index
Citation Counts
13
13
604
Rankings
Ranking Based On Selection: 8
William P Eckel
Metrics
H-Index
i10 Index
Citation Counts
10
11
466
lead smelting
pesticides
organic environmental chemistry
Rankings
Ranking Based On Selection: 9
Ajr Gillespie
Metrics
H-Index
i10 Index
Citation Counts
9
9
3,427
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