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" (873,937 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 :3
Osman Abdalla
Hydrogeology and environmental geosciences
Metrics
H-Index
i10 Index
Citation
23
37
1,355
* Rankings
Ranking Based On Selection :4
Andreas Scharf
Structural Geology
Geodynamics
Mineralogy
Metrics
H-Index
i10 Index
Citation
18
31
1,172
* Rankings
Ranking Based On Selection :6
Issa El Hussain
Geophysics
Seismic hazard
Earthquake Seismology
Metrics
H-Index
i10 Index
Citation
15
20
695
* Rankings
Ranking Based On Selection :8
Rifaat Abdalla
GIS
Remote Sensing
Natural Hazards
Disaster Management
Metrics
H-Index
i10 Index
Citation
14
17
616
Rankings
Ranking Based On Selection: 1
Arshad Ali
Metrics
H-Index
i10 Index
Citation Counts
34
176
6,459
Rankings
Ranking Based On Selection: 2
Sobhi Jaber Nasir
Metrics
H-Index
i10 Index
Citation Counts
28
62
2,375
Rankings
Ranking Based On Selection: 3
Osman Abdalla
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,355
Rankings
Ranking Based On Selection: 4
Andreas Scharf
Metrics
H-Index
i10 Index
Citation Counts
18
31
1,172
Rankings
Ranking Based On Selection: 5
Salah Al Khirbash
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,369
Rankings
Ranking Based On Selection: 6
Issa El Hussain
Metrics
H-Index
i10 Index
Citation Counts
15
20
695
Geophysics
Seismic hazard
Earthquake Seismology
Rankings
Ranking Based On Selection: 7
Iftikhar Ahmed Abbasi
Metrics
H-Index
i10 Index
Citation Counts
14
23
788
Rankings
Ranking Based On Selection: 8
Rifaat Abdalla
Metrics
H-Index
i10 Index
Citation Counts
14
17
616
GIS
Remote Sensing
Natural Hazards
Disaster Management
Rankings
Ranking Based On Selection: 9
Talal Al Hosni
Metrics
H-Index
i10 Index
Citation Counts
7
5
204
Rankings
Ranking Based On Selection: 10
Eyad Fadda
Metrics
H-Index
i10 Index
Citation Counts
7
6
587