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" (873,898 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
Vijayakumar P
Solar Energy
Nanofluids
I.C Engines
Energy Conservation and Management
Metrics
H-Index
i10 Index
Citation
13
18
353
* Rankings
Ranking Based On Selection: 2
M Arunkumar
Thermal Engineering
IC engines
Thermodynamics
Heat and Mass Transfer
Metrics
H-Index
i10 Index
Citation
13
14
478
* Rankings
Ranking Based On Selection: 3
S Gnanasekaran
Laser cladding
PTA hardfacing
Surface Engineering
Tribology
Welding
Metrics
H-Index
i10 Index
Citation
12
17
569
Gokul Karthik
Alternative Fuels
IC Engines
Heat Transfer
Energy Conservation and Management
Internet Of Things(IoT)
Metrics
H-Index
i10 Index
Citation
3
3
58
Rajkumar M
Metal cutting
CNC machining
3D printing
Composite materials
cutting tools
Metrics
H-Index
i10 Index
Citation
1
0
4
Rankings
Ranking Based On Selection: 1
Vijayakumar P
Metrics
H-Index
i10 Index
Citation Counts
13
18
353
Solar Energy
Nanofluids
I.C Engines
Energy Conservation and Management
Rankings
Ranking Based On Selection: 2
M Arunkumar
Metrics
H-Index
i10 Index
Citation Counts
13
14
478
Thermal Engineering
IC engines
Thermodynamics
Heat and Mass Transfer
Rankings
Ranking Based On Selection: 3
S Gnanasekaran
Metrics
H-Index
i10 Index
Citation Counts
12
17
569
Laser cladding
PTA hardfacing
Surface Engineering
Tribology
Welding
Rankings
Ranking Based On Selection: 5
Gokul Karthik
Metrics
H-Index
i10 Index
Citation Counts
3
3
58
Alternative Fuels
IC Engines
Heat Transfer
Energy Conservation and Management
Internet Of Things(IoT)
Rankings
Ranking Based On Selection: 6
Senthil Prasad Mathiyalagan
Metrics
H-Index
i10 Index
Citation Counts
2
1
104
Rankings
Ranking Based On Selection: 7
Rajkumar M
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Metal cutting
CNC machining
3D printing
Composite materials
cutting tools