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" (875,720 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
Dinesh Kumar Chellappan
Pharmacology
Respiratory Pharmacology
Drug Delivery
Natural Products
Metrics
H-Index
i10 Index
Citation
61
335
17,136
* Rankings
Ranking Based On Selection: 2
Igor Nikolayevich Iezhitsa
Pharmacology
Drug toxicology
Neuropharmacology
Neuroprotection
Ocular Pharmacology
Metrics
H-Index
i10 Index
Citation
27
72
3,150
Rankings
Ranking Based On Selection: 1
Dinesh Kumar Chellappan
Metrics
H-Index
i10 Index
Citation Counts
61
335
17,136
Pharmacology
Respiratory Pharmacology
Drug Delivery
Natural Products
Rankings
Ranking Based On Selection: 2
Igor Nikolayevich Iezhitsa
Metrics
H-Index
i10 Index
Citation Counts
27
72
3,150
Pharmacology
Drug toxicology
Neuropharmacology
Neuroprotection
Ocular Pharmacology
Rankings
Ranking Based On Selection: 3
Chin Eng Ong
Metrics
H-Index
i10 Index
Citation Counts
19
35
1,004
Rankings
Ranking Based On Selection: 4
Perumal Vijayaraman Kiruthiga
Metrics
H-Index
i10 Index
Citation Counts
13
13
585
Molecular Biology
Cancer
Polymorphism
Oxidative stress
Antioxidants
Rankings
Ranking Based On Selection: 5
Heethal Jaiprakash
Metrics
H-Index
i10 Index
Citation Counts
9
8
283
Rankings
Ranking Based On Selection: 6
Mamoun Hussien
Metrics
H-Index
i10 Index
Citation Counts
1
1
72
Rankings
Ranking Based On Selection: 7
Valsala Ramachandran
Metrics
H-Index
i10 Index
Citation Counts
1
1
39
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