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" (873,690 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
NSM El Tayeb
Tribology
Composite materials
natural&synthetic fibres
surface engineering
AAN
Metrics
H-Index
i10 Index
Citation
27
52
3,031
Taher Halawa
Turbo-machines
Thermofluids
Heat transfer
Nanofluids
Renewable Energy
Metrics
H-Index
i10 Index
Citation
9
9
200
Andrew S. Tanious
Solar Energy
Thermal Energy
Heat Transfer
Numerical Analysis
Metrics
H-Index
i10 Index
Citation
3
2
35
Rankings
Ranking Based On Selection: 1
NSM El Tayeb
Metrics
H-Index
i10 Index
Citation Counts
27
52
3,031
Tribology
Composite materials
natural&synthetic fibres
surface engineering
AAN
Rankings
Ranking Based On Selection: 2
Yehia Bahei El Din
Metrics
H-Index
i10 Index
Citation Counts
27
46
3,078
Rankings
Ranking Based On Selection: 3
Mostafa Shazly
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,167
Rankings
Ranking Based On Selection: 4
Rm Rashad
Metrics
H-Index
i10 Index
Citation Counts
13
14
609
Rankings
Ranking Based On Selection: 5
Taher Halawa
Metrics
H-Index
i10 Index
Citation Counts
9
9
200
Turbo-machines
Thermofluids
Heat transfer
Nanofluids
Renewable Energy
Rankings
Ranking Based On Selection: 6
Tarek I. Abdelsalam
Metrics
H-Index
i10 Index
Citation Counts
4
3
106
Solar Energy
Computational Fluid Dynamics
Heat Transfer
Rankings
Ranking Based On Selection: 8
Andrew S. Tanious
Metrics
H-Index
i10 Index
Citation Counts
3
2
35
Solar Energy
Thermal Energy
Heat Transfer
Numerical Analysis
Rankings
Ranking Based On Selection: 9
Sma Mahdy
Metrics
H-Index
i10 Index
Citation Counts
2
2
93