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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,279 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Paul Gravila
Physics
High Energy Physic
Metrics
 
H-Index
i10 Index
Citation
181
787
121,605
* Rankings
Ranking Based On Selection: 3
Shuai Zhang
deep learning
video processing
data fusio
Metrics
 
H-Index
i10 Index
Citation
126
1,407
86,798
* Rankings
Ranking Based On Selection: 4
Sean Mcwilliams
Gravitational waves
numerical and analytical relativity
gravitational wave data analysis and parameter estimatio
Metrics
 
H-Index
i10 Index
Citation
121
230
116,409
* Rankings
Ranking Based On Selection: 5
Randy J Nelson
behavioral neuroscience
behavioral neuroendocrinology
biological rhythms
stress and neuroimmunit
Metrics
 
H-Index
i10 Index
Citation
108
441
43,204
* Rankings
Ranking Based On Selection: 7
Christo Venter
Pulsars
gamma-ray astronomy
globular clusters
cosmic ray
Metrics
 
H-Index
i10 Index
Citation
102
266
42,332
* Rankings
Ranking Based On Selection: 10
Zachariah Etienne
numerical relativity
computational astrophysics
gravitational wave data analysi
Metrics
 
H-Index
i10 Index
Citation
90
159
72,752
* Rankings
Ranking Based On Selection: 13
Yue Zhang
Natural language processing
natural language understanding
natural language generation
machine learning
NLP application
Metrics
 
H-Index
i10 Index
Citation
83
266
26,396
* Rankings
Ranking Based On Selection: 14
Olubukola Oluranti Babalola
Microbial Ecology
Soil Metagenomics
Plant-Microbe Interaction
Metrics
 
H-Index
i10 Index
Citation
78
291
29,216
* Rankings
Ranking Based On Selection: 15
Sebastiaan Rothmann
Employability
Capabilities
Flourishing
Well-being
Positive Organisation
Metrics
 
H-Index
i10 Index
Citation
77
227
20,150
* Rankings
Ranking Based On Selection: 16
Evangelos Bellos
Thermodynamics
Refrigeration
ORC
Solar Collector
Energy in Building
Metrics
 
H-Index
i10 Index
Citation
76
185
16,172
* Rankings
Ranking Based On Selection: 19
Gordon S Smith
injuries drugs addiction overdose alcoho
Metrics
 
H-Index
i10 Index
Citation
72
213
18,185
* Rankings
Ranking Based On Selection: 20
Rakesh K Gupta
Polymers
Rheology
Composite
Metrics
 
H-Index
i10 Index
Citation
71
428
30,598
* Rankings
Ranking Based On Selection: 22
Tyler D Knowles
General relativity
numerical analysi
Metrics
 
H-Index
i10 Index
Citation
70
96
62,097
* Rankings
Ranking Based On Selection: 25
Guodong Guo
Computer Vision
Image Processing
Multimedia
Aritficial Intelligenc
Metrics
 
H-Index
i10 Index
Citation
68
201
18,919
Rankings
Ranking Based On Selection: 1
Paul Gravila
Metrics
 
H-Index
i10 Index
Citation Counts
181
787
121,605
Rankings
Ranking Based On Selection: 2
John F Smith
Metrics
 
H-Index
i10 Index
Citation Counts
140
644
68,641
Rankings
Ranking Based On Selection: 3
Shuai Zhang
Metrics
 
H-Index
i10 Index
Citation Counts
126
1,407
86,798
deep learning
video processing
data fusio
Rankings
Ranking Based On Selection: 4
Sean Mcwilliams
Metrics
 
H-Index
i10 Index
Citation Counts
121
230
116,409
Gravitational waves
numerical and analytical relativity
gravitational wave data analysis and parameter estimatio
Rankings
Ranking Based On Selection: 5
Randy J Nelson
Metrics
 
H-Index
i10 Index
Citation Counts
108
441
43,204
behavioral neuroscience
behavioral neuroendocrinology
biological rhythms
stress and neuroimmunit
Rankings
Ranking Based On Selection: 6
Duncan Lorimer
Metrics
 
H-Index
i10 Index
Citation Counts
103
301
48,908
Rankings
Ranking Based On Selection: 7
Christo Venter
Metrics
 
H-Index
i10 Index
Citation Counts
102
266
42,332
Pulsars
gamma-ray astronomy
globular clusters
cosmic ray
Rankings
Ranking Based On Selection: 8
Ali Rezai
Metrics
 
H-Index
i10 Index
Citation Counts
98
283
37,215
Rankings
Ranking Based On Selection: 9
Ross Birney
Metrics
 
H-Index
i10 Index
Citation Counts
91
145
103,348
Rankings
Ranking Based On Selection: 10
Zachariah Etienne
Metrics
 
H-Index
i10 Index
Citation Counts
90
159
72,752
numerical relativity
computational astrophysics
gravitational wave data analysi
Rankings
Ranking Based On Selection: 11
Markus Boettcher
Metrics
 
H-Index
i10 Index
Citation Counts
87
284
25,587
Rankings
Ranking Based On Selection: 12
Rudy J Castellani Jr
Metrics
 
H-Index
i10 Index
Citation Counts
85
211
29,682
Rankings
Ranking Based On Selection: 13
Yue Zhang
Metrics
 
H-Index
i10 Index
Citation Counts
83
266
26,396
Natural language processing
natural language understanding
natural language generation
machine learning
NLP application
Rankings
Ranking Based On Selection: 14
Olubukola Oluranti Babalola
Metrics
 
H-Index
i10 Index
Citation Counts
78
291
29,216
Microbial Ecology
Soil Metagenomics
Plant-Microbe Interaction
Rankings
Ranking Based On Selection: 15
Sebastiaan Rothmann
Metrics
 
H-Index
i10 Index
Citation Counts
77
227
20,150
Employability
Capabilities
Flourishing
Well-being
Positive Organisation
Rankings
Ranking Based On Selection: 16
Evangelos Bellos
Metrics
 
H-Index
i10 Index
Citation Counts
76
185
16,172
Thermodynamics
Refrigeration
ORC
Solar Collector
Energy in Building
Rankings
Ranking Based On Selection: 17
James E Smith
Metrics
 
H-Index
i10 Index
Citation Counts
75
310
89,806
Rankings
Ranking Based On Selection: 18
Jennie Wilson
Metrics
 
H-Index
i10 Index
Citation Counts
72
303
25,531
Rankings
Ranking Based On Selection: 19
Gordon S Smith
Metrics
 
H-Index
i10 Index
Citation Counts
72
213
18,185
injuries drugs addiction overdose alcoho
Rankings
Ranking Based On Selection: 20
Rakesh K Gupta
Metrics
 
H-Index
i10 Index
Citation Counts
71
428
30,598
Polymers
Rheology
Composite
Rankings
Ranking Based On Selection: 21
Clay Marsh
Metrics
 
H-Index
i10 Index
Citation Counts
71
154
18,909
Rankings
Ranking Based On Selection: 22
Tyler D Knowles
Metrics
 
H-Index
i10 Index
Citation Counts
70
96
62,097
Rankings
Ranking Based On Selection: 23
Donald Kurtz
Metrics
 
H-Index
i10 Index
Citation Counts
70
275
19,200
Rankings
Ranking Based On Selection: 24
Antoni Morawski
Metrics
 
H-Index
i10 Index
Citation Counts
69
244
16,535
Rankings
Ranking Based On Selection: 25
Guodong Guo
Metrics
 
H-Index
i10 Index
Citation Counts
68
201
18,919
Computer Vision
Image Processing
Multimedia
Aritficial Intelligenc