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" (870,053 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.

John D Sivey
Environmental Chemistry
Organic Pollutants
Water Treatment
Disinfection Byproducts
Metrics
H-Index
i10 Index
Citation
17
22
914
Khanh Hoa Tran Ba
Single-Particle Tracking
Diffusion
Hydrogels
Metrics
H-Index
i10 Index
Citation
11
14
480
David N Kamber
chemical biology
organic chemistry
C-H functionalization chemistry
bioorthogonal chemistry
Metrics
H-Index
i10 Index
Citation
8
8
1,239
Rankings
Ranking Based On Selection: 1
John D Sivey
Metrics
H-Index
i10 Index
Citation Counts
17
22
914
Environmental Chemistry
Organic Pollutants
Water Treatment
Disinfection Byproducts
Rankings
Ranking Based On Selection: 2
Angel Kumchev
Metrics
H-Index
i10 Index
Citation Counts
16
25
783
Rankings
Ranking Based On Selection: 3
Kathryn E Kautzman
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,294
Rankings
Ranking Based On Selection: 4
Khanh Hoa Tran Ba
Metrics
H-Index
i10 Index
Citation Counts
11
14
480
Single-Particle Tracking
Diffusion
Hydrogels
Rankings
Ranking Based On Selection: 5
David N Kamber
Metrics
H-Index
i10 Index
Citation Counts
8
8
1,239
chemical biology
organic chemistry
C-H functionalization chemistry
bioorthogonal chemistry