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" (901,365 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 :2
Isaac Nongwe|Isaac N. Beas
Heterogeneous Catalysis
Biomass
Gasification
Plastic recycling
mechanocatalysis
Metrics
H-Index
i10 Index
Citation
14
14
1,308
* Rankings
Ranking Based On Selection :4
Lesego Mmualefe
chemistry of coal
chromatography
sample handling
water quality
environmental chemistry
Metrics
H-Index
i10 Index
Citation
9
9
281
* Rankings
Ranking Based On Selection :5
Mompoloki Pule
IoT
Wireless Sensor Networks
Low Power Wide Area Networks
Cryptography and Network Security
Metrics
H-Index
i10 Index
Citation
4
2
342
Rankings
Ranking Based On Selection: 1
Samuel Chigome
Metrics
H-Index
i10 Index
Citation Counts
16
21
930
Electrospinning
Water Filtration
Analytical Chemistry
Rankings
Ranking Based On Selection: 2
Heterogeneous Catalysis
Biomass
Gasification
Plastic recycling
mechanocatalysis
Rankings
Ranking Based On Selection: 3
Segomotso Bagwasi
Metrics
H-Index
i10 Index
Citation Counts
9
8
1,070
Catalysis and nanotechnology
Rankings
Ranking Based On Selection: 4
chemistry of coal
chromatography
sample handling
water quality
environmental chemistry
Rankings
Ranking Based On Selection: 5
Mompoloki Pule
Metrics
H-Index
i10 Index
Citation Counts
4
2
342
IoT
Wireless Sensor Networks
Low Power Wide Area Networks
Cryptography and Network Security