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" (888,752 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
Stephen Arumainathan
Material Science
Electrodeposition
Nanocomposites
Photocatalysis
Environmental Radioactivity
Metrics
H-Index
i10 Index
Citation
47
124
11,997
* Rankings
Ranking Based On Selection: 3
Ej Padma Malar
Computational quantum chemistry
Metrics
H-Index
i10 Index
Citation
21
36
1,157
* Rankings
Ranking Based On Selection: 4
Rita John
Band structure
Semiconductors
shape memory alloys
Nano semiconductors
Metrics
H-Index
i10 Index
Citation
17
25
1,268
* Rankings
Ranking Based On Selection: 5
K Ravichandran
Spintronics
Magnetic materials
Metrics
H-Index
i10 Index
Citation
13
17
912
Rajalakshmi M
Crystal Growth
Thin films and nano materials
Metrics
H-Index
i10 Index
Citation
7
7
184
Rankings
Ranking Based On Selection: 1
Stephen Arumainathan
Metrics
H-Index
i10 Index
Citation Counts
47
124
11,997
Material Science
Electrodeposition
Nanocomposites
Photocatalysis
Environmental Radioactivity
Rankings
Ranking Based On Selection: 2
Chakravarthy Venkateswaran
Metrics
H-Index
i10 Index
Citation Counts
23
53
1,976
Rankings
Ranking Based On Selection: 3
Ej Padma Malar
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,157
Rankings
Ranking Based On Selection: 4
Rita John
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,268
Band structure
Semiconductors
shape memory alloys
Nano semiconductors
Rankings
Ranking Based On Selection: 5
K Ravichandran
Metrics
H-Index
i10 Index
Citation Counts
13
17
912
Rankings
Ranking Based On Selection: 6
Rajalakshmi M
Metrics
H-Index
i10 Index
Citation Counts
7
7
184
Crystal Growth
Thin films and nano materials
Rankings
Ranking Based On Selection: 7
Gnanasangeetha Gnanapragasam
Metrics
H-Index
i10 Index
Citation Counts
2
1
25