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" (873,864 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
Tamer Sakr
Radiopharmaceutical
Medicinal Chemistry
Molecular Modeling
Nanotechnology
Nanomedicine
Metrics
H-Index
i10 Index
Citation
25
46
1,601
* Rankings
Ranking Based On Selection :3
Ashraf S. Nasr
Nanotechnology electronic devices (quantum dot
wire
carbon nanotubes
and well)
Metrics
H-Index
i10 Index
Citation
13
15
383
* Rankings
Ranking Based On Selection :4
Adli AbdAllah Selim
Radiochemistry
Organic chemistry
Radiopharmaceuticals
Biology
Nanotechnology
Metrics
H-Index
i10 Index
Citation
12
13
400
Rankings
Ranking Based On Selection: 1
Tamer Sakr
Metrics
H-Index
i10 Index
Citation Counts
25
46
1,601
Radiopharmaceutical
Medicinal Chemistry
Molecular Modeling
Nanotechnology
Nanomedicine
Rankings
Ranking Based On Selection: 2
Rasha Mohammad Fathy
Metrics
H-Index
i10 Index
Citation Counts
13
14
834
Applied Microbiology
Microbial biotechnology
Nanotechnology
Rankings
Ranking Based On Selection: 3
Ashraf S. Nasr
Metrics
H-Index
i10 Index
Citation Counts
13
15
383
Nanotechnology electronic devices (quantum dot
wire
carbon nanotubes
and well)
Rankings
Ranking Based On Selection: 4
Adli AbdAllah Selim
Metrics
H-Index
i10 Index
Citation Counts
12
13
400
Radiochemistry
Organic chemistry
Radiopharmaceuticals
Biology
Nanotechnology
Rankings
Ranking Based On Selection: 5
Am Fadl
Metrics
H-Index
i10 Index
Citation Counts
1
1
11