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
Siva Sankara Sai S
Photonics
Nanoscience
Networking
Nuclear Medicine
Metrics
H-Index
i10 Index
Citation
19
26
1,085
* Rankings
Ranking Based On Selection :2
Sai Muthukumar V
Photonics
Nonlinear Optics
Functional Materials
Nanomaterials
Raman & Optical Microscopy/spectroscopy
Metrics
H-Index
i10 Index
Citation
16
24
732
Sandeep Patnaik
Pharmaceutical Nanotechnology
Nanoscience
Bionanotechnology
Radiation Sterilization
Metrics
H-Index
i10 Index
Citation
7
6
215
Anjana Biswas
Materials Science
Water purification
Adsorption
Nanotechnology
Metrics
H-Index
i10 Index
Citation
7
5
102
Prajal Chettri
Ultrafast Nonlinear Optics
Femtosecond Laser Micromachining
Optofluidics
Instrumentation
Nanoscience
Metrics
H-Index
i10 Index
Citation
1
1
13
Rankings
Ranking Based On Selection: 1
Siva Sankara Sai S
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,085
Photonics
Nanoscience
Networking
Nuclear Medicine
Rankings
Ranking Based On Selection: 2
Sai Muthukumar V
Metrics
H-Index
i10 Index
Citation Counts
16
24
732
Photonics
Nonlinear Optics
Functional Materials
Nanomaterials
Raman & Optical Microscopy/spectroscopy
Rankings
Ranking Based On Selection: 3
Muralikrishna Molli
Metrics
H-Index
i10 Index
Citation Counts
12
18
391
Rankings
Ranking Based On Selection: 4
C.Prathibha
Metrics
H-Index
i10 Index
Citation Counts
9
8
223
Nanomaterials for environmental remediation
Rankings
Ranking Based On Selection: 5
R Gowrishankar
Metrics
H-Index
i10 Index
Citation Counts
9
9
419
Nuclear Physics
Trace element studies
Fiber Optics
Rankings
Ranking Based On Selection: 6
Subbarao Kanchi
Metrics
H-Index
i10 Index
Citation Counts
7
6
202
Dendrimers
Biophysics
Carbon Materials
Rankings
Ranking Based On Selection: 7
Sandeep Patnaik
Metrics
H-Index
i10 Index
Citation Counts
7
6
215
Pharmaceutical Nanotechnology
Nanoscience
Bionanotechnology
Radiation Sterilization
Rankings
Ranking Based On Selection: 8
Anjana Biswas
Metrics
H-Index
i10 Index
Citation Counts
7
5
102
Materials Science
Water purification
Adsorption
Nanotechnology
Rankings
Ranking Based On Selection: 9
Dwaraka Rani Rao
Metrics
H-Index
i10 Index
Citation Counts
5
1
65
Rankings
Ranking Based On Selection: 10
Prajal Chettri
Metrics
H-Index
i10 Index
Citation Counts
1
1
13
Ultrafast Nonlinear Optics
Femtosecond Laser Micromachining
Optofluidics
Instrumentation
Nanoscience