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" (873,937 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.

Hai Q Dinh
Coding Theory
Algebra
Number Theory
Biomathematics
Metrics
H-Index
i10 Index
Citation
29
68
3,543
Clarissa A Thompson
mathematical cognition
learning
memory
cognitive development
Metrics
H-Index
i10 Index
Citation
27
46
4,303
Rajeev Rajaram
Stability and control of partial differential equations
Metrics
H-Index
i10 Index
Citation
16
19
615
Hassan Allouba
PDEs/SPDEs (including higher order and fractional)
Stochastic Analysis
Analysis
Probability
Metrics
H-Index
i10 Index
Citation
12
16
454
Julie Nurnberger-Haag
Embodied Cognition
PreK-16+ mathematics learning
Number & Operations
Geometry
Metrics
H-Index
i10 Index
Citation
11
11
369
Ugochukwu Ugwu
Mathematical modelling
Inverse problems
Image processing
Machine learning
Metrics
H-Index
i10 Index
Citation
5
4
103
Rankings
Ranking Based On Selection: 1
Fedor Nazarov
Metrics
H-Index
i10 Index
Citation Counts
44
103
7,644
Rankings
Ranking Based On Selection: 2
Feodor F Dragan
Metrics
H-Index
i10 Index
Citation Counts
36
88
3,607
Rankings
Ranking Based On Selection: 3
Hai Q Dinh
Metrics
H-Index
i10 Index
Citation Counts
29
68
3,543
Coding Theory
Algebra
Number Theory
Biomathematics
Rankings
Ranking Based On Selection: 4
Clarissa A Thompson
Metrics
H-Index
i10 Index
Citation Counts
27
46
4,303
mathematical cognition
learning
memory
cognitive development
Rankings
Ranking Based On Selection: 5
Mikhail Chebotar
Metrics
H-Index
i10 Index
Citation Counts
25
39
1,996
Rankings
Ranking Based On Selection: 6
Mark L Lewis
Metrics
H-Index
i10 Index
Citation Counts
21
51
1,840
Rankings
Ranking Based On Selection: 7
David E Booth
Metrics
H-Index
i10 Index
Citation Counts
21
37
2,675
Rankings
Ranking Based On Selection: 8
Artem Zvavitch
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,117
Rankings
Ranking Based On Selection: 9
Rajeev Rajaram
Metrics
H-Index
i10 Index
Citation Counts
16
19
615
Stability and control of partial differential equations
Rankings
Ranking Based On Selection: 10
Tsung Heng Tsai
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,233
Rankings
Ranking Based On Selection: 11
Hassan Allouba
Metrics
H-Index
i10 Index
Citation Counts
12
16
454
PDEs/SPDEs (including higher order and fractional)
Stochastic Analysis
Analysis
Probability
Rankings
Ranking Based On Selection: 12
Julie Nurnberger-Haag
Metrics
H-Index
i10 Index
Citation Counts
11
11
369
Embodied Cognition
PreK-16+ mathematics learning
Number & Operations
Geometry
Rankings
Ranking Based On Selection: 13
Jun Li
Metrics
H-Index
i10 Index
Citation Counts
10
11
734
Rankings
Ranking Based On Selection: 14
Stephen Gagola
Metrics
H-Index
i10 Index
Citation Counts
10
10
303
Rankings
Ranking Based On Selection: 15
Nathan Ritchey
Metrics
H-Index
i10 Index
Citation Counts
10
11
293
Rankings
Ranking Based On Selection: 16
Gro Hovhannisyan
Metrics
H-Index
i10 Index
Citation Counts
8
6
184
Rankings
Ranking Based On Selection: 17
Armen Vagharshakyan
Metrics
H-Index
i10 Index
Citation Counts
7
6
318
Rankings
Ranking Based On Selection: 18
Ugochukwu Ugwu
Metrics
H-Index
i10 Index
Citation Counts
5
4
103
Mathematical modelling
Inverse problems
Image processing
Machine learning