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" (873,863 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.

Marcio Melendez
Active Galaxies
Infrared
IR instrumentation
Metrics
H-Index
i10 Index
Citation
29
40
3,565
Ananya Sahoo
Exoplanet Imaging
Instrumentation
Astronomy
Metrics
H-Index
i10 Index
Citation
13
18
566
John F Wu
Galaxy evolution
Large Scale Structure
Machine learning
Metrics
H-Index
i10 Index
Citation
12
13
441
Aparna Maybhate
globular clusters
interacting galaxies
Metrics
H-Index
i10 Index
Citation
12
13
525
Rankings
Ranking Based On Selection: 1
Nikolay Nikolov
Metrics
H-Index
i10 Index
Citation Counts
48
96
9,090
Rankings
Ranking Based On Selection: 2
Sangmo Tony Sohn
Metrics
H-Index
i10 Index
Citation Counts
42
78
6,245
Rankings
Ranking Based On Selection: 3
Marcio Melendez
Metrics
H-Index
i10 Index
Citation Counts
29
40
3,565
Active Galaxies
Infrared
IR instrumentation
Rankings
Ranking Based On Selection: 4
Gregory R Brady
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,452
Rankings
Ranking Based On Selection: 5
Ananya Sahoo
Metrics
H-Index
i10 Index
Citation Counts
13
18
566
Exoplanet Imaging
Instrumentation
Astronomy
Rankings
Ranking Based On Selection: 6
John F Wu
Metrics
H-Index
i10 Index
Citation Counts
12
13
441
Galaxy evolution
Large Scale Structure
Machine learning
Rankings
Ranking Based On Selection: 7
Aparna Maybhate
Metrics
H-Index
i10 Index
Citation Counts
12
13
525
globular clusters
interacting galaxies
Rankings
Ranking Based On Selection: 8
Kornpob Bhirombhakdi
Metrics
H-Index
i10 Index
Citation Counts
10
11
485
Rankings
Ranking Based On Selection: 9
Douglas Long
Metrics
H-Index
i10 Index
Citation Counts
8
8
1,471
Rankings
Ranking Based On Selection: 10
Burcu Gunay
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
interstellar medium
dust
ice