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" (936,900 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
Adwek George
Renewable Energy
Non-Renewable Energy
Environmental Engineering
Non-Thermal Plasma
Metrics
H-Index
i10 Index
Citation
10
10
982
* Rankings
Ranking Based On Selection: 2
Basil T. Iro Ong'Or
Hydrology
water resources engineering
agriculture
irrigation and drainage
environmental engineering
Metrics
H-Index
i10 Index
Citation
10
11
255
Rankings
Ranking Based On Selection: 1
Adwek George
Metrics
H-Index
i10 Index
Citation Counts
10
10
982
Renewable Energy
Non-Renewable Energy
Environmental Engineering
Non-Thermal Plasma
Rankings
Ranking Based On Selection: 2
Basil T. Iro Ong'Or
Metrics
H-Index
i10 Index
Citation Counts
10
11
255
Hydrology
water resources engineering
agriculture
irrigation and drainage
environmental engineering
Rankings
Ranking Based On Selection: 3
Emmanuel Mzungu
Metrics
H-Index
i10 Index
Citation Counts
3
1
79
Rankings
Ranking Based On Selection: 4
Zedekia Onyando
Metrics
H-Index
i10 Index
Citation Counts
3
1
29
Rankings
Ranking Based On Selection: 8
Valery Osimbo Lutta
Metrics
H-Index
i10 Index
Citation Counts
2
1
29
Water engineering
wastewater technology
water supply
environmental engineering
Rankings
Ranking Based On Selection: 9
Water Resources Engineering and Risk Management
Climate Change Mitigation and Adaptation
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