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" (873,688 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.

Ayman O. Abdelhay
Water Desalination
Thermal Systems
Renewable Energy
Tri-generation Systems
Multi Effect Desalination
Metrics
H-Index
i10 Index
Citation
2
2
93
Kabir Abdullahi Muhammad
Renewable energy and Sustainable development
Industrial wastewater treatment
Metrics
H-Index
i10 Index
Citation
2
0
10
Rankings
Ranking Based On Selection: 1
Nehmedo Alamir|Nehmido Alamir
Metrics
H-Index
i10 Index
Citation Counts
9
9
226
Rankings
Ranking Based On Selection: 2
Rankings
Ranking Based On Selection: 3
Amir Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
2
2
124
Rankings
Ranking Based On Selection: 4
Ayman O. Abdelhay
Metrics
H-Index
i10 Index
Citation Counts
2
2
93
Water Desalination
Thermal Systems
Renewable Energy
Tri-generation Systems
Multi Effect Desalination
Rankings
Ranking Based On Selection: 5
Kabir Abdullahi Muhammad
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Renewable energy and Sustainable development
Industrial wastewater treatment
Rankings
Ranking Based On Selection: 6
Nayera Refaat Abdallah
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 7
Mariam M. Yehia
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Energy
Renewable energy
Gasification
combustion
Hydrogen production