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" (870,053 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
Eugene O Riordan
Singular perturbations
Numerical Analysis
Metrics
H-Index
i10 Index
Citation
40
79
8,110
* Rankings
Ranking Based On Selection: 3
John Ad Appleby
Volterra equations
differential equations
stochastic differential equations
difference equations
Metrics
H-Index
i10 Index
Citation
23
52
1,798
* Rankings
Ranking Based On Selection: 4
Brien Nolan
General Relativity
Mathematics Education
Metrics
H-Index
i10 Index
Citation
21
33
1,482
* Rankings
Ranking Based On Selection: 6
Vladimir A Krylov
statistical signal processing
machine learning
image processing
Metrics
H-Index
i10 Index
Citation
17
24
1,082
Rankings
Ranking Based On Selection: 1
Eugene O Riordan
Metrics
H-Index
i10 Index
Citation Counts
40
79
8,110
Rankings
Ranking Based On Selection: 2
Paolo Guasoni
Metrics
H-Index
i10 Index
Citation Counts
24
37
2,109
Rankings
Ranking Based On Selection: 3
John Ad Appleby
Metrics
H-Index
i10 Index
Citation Counts
23
52
1,798
Volterra equations
differential equations
stochastic differential equations
difference equations
Rankings
Ranking Based On Selection: 4
Brien Nolan
Metrics
H-Index
i10 Index
Citation Counts
21
33
1,482
Rankings
Ranking Based On Selection: 5
Eabhnat Ní Fhloinn
Metrics
H-Index
i10 Index
Citation Counts
17
24
847
Rankings
Ranking Based On Selection: 6
Vladimir A Krylov
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,082
statistical signal processing
machine learning
image processing
Rankings
Ranking Based On Selection: 7
Jane M Horgan
Metrics
H-Index
i10 Index
Citation Counts
12
15
614
Rankings
Ranking Based On Selection: 8
Martin Venker
Metrics
H-Index
i10 Index
Citation Counts
6
4
143
Rankings
Ranking Based On Selection: 9
Stephen Quirke
Metrics
H-Index
i10 Index
Citation Counts
2
0
21