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" (870,057 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
Damian C. Onwudiwe
Materials Chemistry
Green Chemistry
Chemical Engineering
Water Treatment
Environmental Analysis
Metrics
H-Index
i10 Index
Citation
47
179
8,119
* Rankings
Ranking Based On Selection: 2
Stephanus Petrus Du Preez|Faan du Preez
Hydrogen energy
Ferrochrome
Solid-state reduction
Materials Science and Engineering
Metrics
H-Index
i10 Index
Citation
21
33
1,483
* Rankings
Ranking Based On Selection: 3
Cnm Ouma
Catalysis
2D materials
Mxenes
Liquid organic hydrogen carriers (LOHC)
engineered nanaoparticles
Metrics
H-Index
i10 Index
Citation
20
33
1,891
* Rankings
Ranking Based On Selection: 5
Y. Sasikumar
Surface Modification
Corrosion Inhibition
Biomaterials
Titanium & Magnesium Alloys
Metrics
H-Index
i10 Index
Citation
16
20
1,512
Lynndle Square
Molecular dynamics
density functional theory
fluid dynamics
computational material science
Metrics
H-Index
i10 Index
Citation
3
0
21
Rankings
Ranking Based On Selection: 1
Damian C. Onwudiwe
Metrics
H-Index
i10 Index
Citation Counts
47
179
8,119
Materials Chemistry
Green Chemistry
Chemical Engineering
Water Treatment
Environmental Analysis
Rankings
Ranking Based On Selection: 2
Stephanus Petrus Du Preez|Faan du Preez
Metrics
H-Index
i10 Index
Citation Counts
21
33
1,483
Hydrogen energy
Ferrochrome
Solid-state reduction
Materials Science and Engineering
Rankings
Ranking Based On Selection: 3
Cnm Ouma
Metrics
H-Index
i10 Index
Citation Counts
20
33
1,891
Catalysis
2D materials
Mxenes
Liquid organic hydrogen carriers (LOHC)
engineered nanaoparticles
Rankings
Ranking Based On Selection: 4
HCM Vosloo
Metrics
H-Index
i10 Index
Citation Counts
20
42
1,521
Rankings
Ranking Based On Selection: 5
Y. Sasikumar
Metrics
H-Index
i10 Index
Citation Counts
16
20
1,512
Surface Modification
Corrosion Inhibition
Biomaterials
Titanium & Magnesium Alloys
Rankings
Ranking Based On Selection: 6
Lynndle Square
Metrics
H-Index
i10 Index
Citation Counts
3
0
21
Molecular dynamics
density functional theory
fluid dynamics
computational material science
Rankings
Ranking Based On Selection: 7
Fortunate Moyo
Metrics
H-Index
i10 Index
Citation Counts
3
0
20