Top 100 Scientists

World Top 100 Scientists 2025

The ranking of “Top 100” scientists is based on total H-index scores. 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (1,014,374 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. 

Luciano Floridi
AI Ethics
Digital Ethics
Information Ethics
Philosophy of Information
Philosophy of Technology
Metrics
H-Index
i10 Index
Citation
116
315
57,500
Barry Smith
applied ontology
biomedical informatics
metaphysics
ontology
philosophy
Metrics
H-Index
i10 Index
Citation
104
416
50,120
Philip Pettit
Moral Philosophy
Social Philosophy
Political Philosophy
Philosophy of Mind
Metaphysics
Metrics
H-Index
i10 Index
Citation
100
318
48,488
Shaun Gallagher
Embodied cognition
mind
philosophy of cognitive science
self
hermeneutics
Metrics
H-Index
i10 Index
Citation
86
285
46,373
Michael Gurven
hunter-gatherers & horticulturalists
life history theory
evolutionary medicine
cooperation
Metrics
H-Index
i10 Index
Citation
86
229
31,414
David Glass
aging
skeletal muscle
experimental design
reproducibility
history of science
Metrics
H-Index
i10 Index
Citation
86
165
43,687
Bas Van Geel
Palynology
Palaeoecology
Pollen analysis
Vegetation history
Quaternary geology
Metrics
H-Index
i10 Index
Citation
82
222
25,476
Mark van Kleunen
invasion ecology
global change ecology
life-history evolution
pollination
phenotypic plasticity
Metrics
H-Index
i10 Index
Citation
79
233
30,784
Mark Maslin
Palaeoclimate
Palaeoceanography
Human Evolution
Climate Change
Earth History
Metrics
H-Index
i10 Index
Citation
77
195
35,077
Paul Thagard
Cognitive science
philosophy
philosophy of mind
philosophy of science
philosophy of medicine
Metrics
H-Index
i10 Index
Citation
77
217
39,673
David MacKay
Information Theory and Error-correcting Codes
Reliable Computation with Unreliable Hardware
Machine Learning and Bayesian Data Modelling
Sustainable Energy and Public Understanding of Science
Metrics
H-Index
i10 Index
Citation
76
169
79,506
Rainbow PS
Natural history of trace metals
Marine biology of trace metals
Barnacle biology
Metrics
H-Index
i10 Index
Citation
75
228
25,150
David Chalmers
Philosophy
Philosophy of Mind
Philosophy of Language
Cognitive Science
Metaphysics
Metrics
H-Index
i10 Index
Citation
72
126
60,148
Evan Thompson
Philosophy of Mind
Philosophy of Cognitive Science
Phenomenology
Cross-Cultural Philosophy
Metrics
H-Index
i10 Index
Citation
71
122
49,359
Scott L Wing
paleontology
paleoclimatology
paleobiology
paleobotany
paleoecology
Metrics
H-Index
i10 Index
Citation
70
129
20,094
William Darity
stratification economics
intergroup inequality
social/psychological impact of unemployment
the Atlantic slave trade
History
Metrics
H-Index
i10 Index
Citation
67
221
17,623
Bruce J Macfadden
Vertebrate Paleontology
Paleontology
Paleobiology
Informal Science Education
Metrics
H-Index
i10 Index
Citation
67
172
17,323
José S. Carrión
Palaeobotany
Paleobotany
Palaeobiogeography
Quaternary
Vegetation History
Metrics
H-Index
i10 Index
Citation
65
216
16,286
Peter Carruthers
Philosophy
Philosophy of Mind
Philosophy of Psychology
Consciousness
Epistemology
Metrics
H-Index
i10 Index
Citation
64
134
20,694
Terry L Erwin
Coleoptera Systematics
Biodiversity
Conservation Biology
Biogeography
Metrics
H-Index
i10 Index
Citation
64
149
23,059
Jane S Green
Hereditary eye disease
hereditary cancer
natural history of hereditary diseases
Metrics
H-Index
i10 Index
Citation
61
129
21,785
Mark Johnson
cognitive science
philosophy of language
moral theory
aesthetics
American Philosophy
Metrics
H-Index
i10 Index
Citation
60
100
169,021
William Bechtel
philosophy of the life sciences
philosophy of cognitive science
philosophy of neuroscience
Metrics
H-Index
i10 Index
Citation
60
169
19,537
Rankings
Ranking Based On Selection: 1
Luciano Floridi
Metrics
H-Index
i10 Index
Citation Counts
116
315
57,500
AI Ethics
Digital Ethics
Information Ethics
Philosophy of Information
Philosophy of Technology
Rankings
Ranking Based On Selection: 2
Neal Krause
Metrics
H-Index
i10 Index
Citation Counts
112
357
38,452
Rankings
Ranking Based On Selection: 3
David K Lewis
Metrics
H-Index
i10 Index
Citation Counts
111
335
120,347
Rankings
Ranking Based On Selection: 4
Stringer C
Metrics
H-Index
i10 Index
Citation Counts
106
299
38,386
palaeontology anthropology archaeology quaternary pleistocene
Rankings
Ranking Based On Selection: 5
Johannes Krause
Metrics
H-Index
i10 Index
Citation Counts
104
220
51,858
Rankings
Ranking Based On Selection: 6
Barry Smith
Metrics
H-Index
i10 Index
Citation Counts
104
416
50,120
applied ontology
biomedical informatics
metaphysics
ontology
philosophy
Rankings
Ranking Based On Selection: 7
José Antonio López Sáez
Metrics
H-Index
i10 Index
Citation Counts
101
395
28,474
Palynology
Holocene
Climate change
Cultural change
Neolithic
Rankings
Ranking Based On Selection: 8
Philip Pettit
Metrics
H-Index
i10 Index
Citation Counts
100
318
48,488
Moral Philosophy
Social Philosophy
Political Philosophy
Philosophy of Mind
Metaphysics
Rankings
Ranking Based On Selection: 9
Martin John Whitehouse
Metrics
H-Index
i10 Index
Citation Counts
97
454
40,556
Crustal evolution
geochronology
microanalysis
Rankings
Ranking Based On Selection: 10
Nestor Garcia Canclini
Metrics
H-Index
i10 Index
Citation Counts
96
459
90,944
Rankings
Ranking Based On Selection: 11
Miral Dizdaroglu
Metrics
H-Index
i10 Index
Citation Counts
96
237
36,782
Rankings
Ranking Based On Selection: 12
Kenneth Anderson
Metrics
H-Index
i10 Index
Citation Counts
94
331
44,585
Rankings
Ranking Based On Selection: 13
Mark Norell
Metrics
H-Index
i10 Index
Citation Counts
92
244
24,554
Rankings
Ranking Based On Selection: 14
Francesco D Errico
Metrics
H-Index
i10 Index
Citation Counts
90
278
34,665
Rankings
Ranking Based On Selection: 15
Ray Jackendoff
Metrics
H-Index
i10 Index
Citation Counts
90
222
94,677
Rankings
Ranking Based On Selection: 16
Shaun Gallagher
Metrics
H-Index
i10 Index
Citation Counts
86
285
46,373
Embodied cognition
mind
philosophy of cognitive science
self
hermeneutics
Rankings
Ranking Based On Selection: 17
Michael Gurven
Metrics
H-Index
i10 Index
Citation Counts
86
229
31,414
hunter-gatherers & horticulturalists
life history theory
evolutionary medicine
cooperation
Rankings
Ranking Based On Selection: 18
David Glass
Metrics
H-Index
i10 Index
Citation Counts
86
165
43,687
aging
skeletal muscle
experimental design
reproducibility
history of science
Rankings
Ranking Based On Selection: 19
Eudald Carbonell
Metrics
H-Index
i10 Index
Citation Counts
86
289
25,814
Lithic technology
Prehistory
Human Evolution
Paleoecology
Paleolithic
Rankings
Ranking Based On Selection: 20
Jens H Kuhn
Metrics
H-Index
i10 Index
Citation Counts
84
222
27,041
filoviruses
BSL-4
viral hemorrhagic fevers
biodefense
bioengagement
Rankings
Ranking Based On Selection: 21
Mordecai-Mark Mac Low
Metrics
H-Index
i10 Index
Citation Counts
84
196
27,648
Star Formation
Planet Formation
Interstellar Medium Structure
Galaxy Evolution
Rankings
Ranking Based On Selection: 22
Stefan J Wagner
Metrics
H-Index
i10 Index
Citation Counts
84
100
23,636
Philosophy
Psychology
Psychiatry
Medicine
Behavioural Economics
Rankings
Ranking Based On Selection: 23
WCK Poon
Metrics
H-Index
i10 Index
Citation Counts
82
196
24,292
Rankings
Ranking Based On Selection: 24
Nathan Rosenberg
Metrics
H-Index
i10 Index
Citation Counts
82
167
60,767
Rankings
Ranking Based On Selection: 25
Bas Van Geel
Metrics
H-Index
i10 Index
Citation Counts
82
222
25,476
Palynology
Palaeoecology
Pollen analysis
Vegetation history
Quaternary geology
Rankings
Ranking Based On Selection: 26
Daniel Nettle
Metrics
H-Index
i10 Index
Citation Counts
81
207
31,222
Human behavioural ecology
Life history
Social behaviour
Rankings
Ranking Based On Selection: 27
Paul Williams
Metrics
H-Index
i10 Index
Citation Counts
81
177
28,327
Rankings
Ranking Based On Selection: 28
Nick Black
Metrics
H-Index
i10 Index
Citation Counts
81
265
39,516
Health services research
health care policy
health care history
Rankings
Ranking Based On Selection: 29
Alberto Cappi
Metrics
H-Index
i10 Index
Citation Counts
81
194
26,628
Astrophysics
History of Cosmology
Ancient Science
Rankings
Ranking Based On Selection: 30
Max Roser
Metrics
H-Index
i10 Index
Citation Counts
80
291
39,467
Poverty
Growth
Health
Economic History
Development
Rankings
Ranking Based On Selection: 31
Andy Clark
Metrics
H-Index
i10 Index
Citation Counts
80
202
61,559
Rankings
Ranking Based On Selection: 32
Mark van Kleunen
Metrics
H-Index
i10 Index
Citation Counts
79
233
30,784
invasion ecology
global change ecology
life-history evolution
pollination
phenotypic plasticity
Rankings
Ranking Based On Selection: 33
Jan Mangerud
Metrics
H-Index
i10 Index
Citation Counts
79
180
22,423
Quaternary Geology
Glacial history
Paleoclimate
Rankings
Ranking Based On Selection: 34
Hector Ventura
Metrics
H-Index
i10 Index
Citation Counts
78
260
28,453
heart failure
hypertension
history of medicine
Rankings
Ranking Based On Selection: 35
Andrew N Miller
Metrics
H-Index
i10 Index
Citation Counts
77
217
43,667
Rankings
Ranking Based On Selection: 36
Mark Maslin
Metrics
H-Index
i10 Index
Citation Counts
77
195
35,077
Palaeoclimate
Palaeoceanography
Human Evolution
Climate Change
Earth History
Rankings
Ranking Based On Selection: 37
Timothy J McCoy
Metrics
H-Index
i10 Index
Citation Counts
77
206
19,132
Rankings
Ranking Based On Selection: 38
Paul Thagard
Metrics
H-Index
i10 Index
Citation Counts
77
217
39,673
Cognitive science
philosophy
philosophy of mind
philosophy of science
philosophy of medicine
Rankings
Ranking Based On Selection: 39
Elliott Sober
Metrics
H-Index
i10 Index
Citation Counts
77
229
34,983
Rankings
Ranking Based On Selection: 40
David MacKay
Metrics
H-Index
i10 Index
Citation Counts
76
169
79,506
Information Theory and Error-correcting Codes
Reliable Computation with Unreliable Hardware
Machine Learning and Bayesian Data Modelling
Sustainable Energy and Public Understanding of Science
Rankings
Ranking Based On Selection: 41
Achille Mbembe
Metrics
H-Index
i10 Index
Citation Counts
75
273
63,706
African politics
history
colonialism
race
enlightenment
Rankings
Ranking Based On Selection: 42
Rainbow PS
Metrics
H-Index
i10 Index
Citation Counts
75
228
25,150
Natural history of trace metals
Marine biology of trace metals
Barnacle biology
Rankings
Ranking Based On Selection: 43
Paul Eggleton
Metrics
H-Index
i10 Index
Citation Counts
74
146
20,527
Rankings
Ranking Based On Selection: 44
DTJ Littlewood|Tim Littlewood
Metrics
H-Index
i10 Index
Citation Counts
74
211
19,666
collections
systematics
parasitology
metazoa
evolution
Rankings
Ranking Based On Selection: 45
Sven Ove Hansson
Metrics
H-Index
i10 Index
Citation Counts
74
303
20,288
Rankings
Ranking Based On Selection: 46
Ivan Sazima
Metrics
H-Index
i10 Index
Citation Counts
74
295
18,058
Natural history
animal biology
conservation biology
Rankings
Ranking Based On Selection: 47
Luis M. Chiappe
Metrics
H-Index
i10 Index
Citation Counts
73
198
16,368
Rankings
Ranking Based On Selection: 48
Craig Curtis Malbon
Metrics
H-Index
i10 Index
Citation Counts
73
218
18,015
Rankings
Ranking Based On Selection: 49
David Chalmers
Metrics
H-Index
i10 Index
Citation Counts
72
126
60,148
Philosophy
Philosophy of Mind
Philosophy of Language
Cognitive Science
Metaphysics
Rankings
Ranking Based On Selection: 50
Ian Owens
Metrics
H-Index
i10 Index
Citation Counts
72
95
20,879
Rankings
Ranking Based On Selection: 51
Evan Thompson
Metrics
H-Index
i10 Index
Citation Counts
71
122
49,359
Philosophy of Mind
Philosophy of Cognitive Science
Phenomenology
Cross-Cultural Philosophy
Rankings
Ranking Based On Selection: 52
Vaclav Smil
Metrics
H-Index
i10 Index
Citation Counts
71
187
43,083
energy environment food population technical innovation history
Rankings
Ranking Based On Selection: 53
Timothy Williamson
Metrics
H-Index
i10 Index
Citation Counts
71
200
35,093
Philosophy
Logic
Epistemology
Metaphysics
Philosophy of Language
Rankings
Ranking Based On Selection: 54
Kwame Anthony Appiah
Metrics
H-Index
i10 Index
Citation Counts
71
237
73,801
Rankings
Ranking Based On Selection: 55
John Mollon
Metrics
H-Index
i10 Index
Citation Counts
71
183
17,812
Rankings
Ranking Based On Selection: 56
Scott L Wing
Metrics
H-Index
i10 Index
Citation Counts
70
129
20,094
paleontology
paleoclimatology
paleobiology
paleobotany
paleoecology
Rankings
Ranking Based On Selection: 57
Ernest Sosa
Metrics
H-Index
i10 Index
Citation Counts
70
170
22,928
Rankings
Ranking Based On Selection: 58
Richard Fortey
Metrics
H-Index
i10 Index
Citation Counts
70
190
15,698
Rankings
Ranking Based On Selection: 59
David Rollinson
Metrics
H-Index
i10 Index
Citation Counts
69
303
18,535
Rankings
Ranking Based On Selection: 60
Andrew B Smith|A B Smith
Metrics
H-Index
i10 Index
Citation Counts
69
171
15,847
Rankings
Ranking Based On Selection: 61
Gregory D. Edgecombe
Metrics
H-Index
i10 Index
Citation Counts
68
268
20,797
Systematics
arthropod evolution
palaeontology
Chilopoda
Rankings
Ranking Based On Selection: 62
Øystein Wiig
Metrics
H-Index
i10 Index
Citation Counts
68
191
14,635
Rankings
Ranking Based On Selection: 63
Ally Williams
Metrics
H-Index
i10 Index
Citation Counts
68
122
19,985
Rankings
Ranking Based On Selection: 64
William Darity
Metrics
H-Index
i10 Index
Citation Counts
67
221
17,623
stratification economics
intergroup inequality
social/psychological impact of unemployment
the Atlantic slave trade
History
Rankings
Ranking Based On Selection: 65
Bruce J Macfadden
Metrics
H-Index
i10 Index
Citation Counts
67
172
17,323
Vertebrate Paleontology
Paleontology
Paleobiology
Informal Science Education
Rankings
Ranking Based On Selection: 66
Seyyed Hossein Nasr
Metrics
H-Index
i10 Index
Citation Counts
66
286
28,578
Rankings
Ranking Based On Selection: 67
Pierre Lévy
Metrics
H-Index
i10 Index
Citation Counts
66
230
78,523
Philosophy
computing
semiotics
semantics
cyberculture
Rankings
Ranking Based On Selection: 68
José S. Carrión
Metrics
H-Index
i10 Index
Citation Counts
65
216
16,286
Palaeobotany
Paleobotany
Palaeobiogeography
Quaternary
Vegetation History
Rankings
Ranking Based On Selection: 69
Silvio Funtowicz
Metrics
H-Index
i10 Index
Citation Counts
65
139
28,906
Philosophy of Science
Social Studies of Science
Rankings
Ranking Based On Selection: 70
Evelyn Fox Keller
Metrics
H-Index
i10 Index
Citation Counts
65
205
41,085
philosophy of biology
theoretical biology
mathematical biology
Rankings
Ranking Based On Selection: 71
Stefan Bengtson
Metrics
H-Index
i10 Index
Citation Counts
65
135
11,942
Rankings
Ranking Based On Selection: 72
Robert Guralnick
Metrics
H-Index
i10 Index
Citation Counts
64
177
17,385
Macroecology
Global Change Biology
Biodiversity Informatics
Systematics
Rankings
Ranking Based On Selection: 73
Jonathan A Coddington
Metrics
H-Index
i10 Index
Citation Counts
64
114
23,890
Systematics
Evolution
Behavior
Biodiversity
Arachnology
Rankings
Ranking Based On Selection: 74
Paul M Barrett
Metrics
H-Index
i10 Index
Citation Counts
64
196
14,339
Palaeontology
Dinosaurs
Macroevolution
palaeobiology
Rankings
Ranking Based On Selection: 75
Peter Carruthers
Metrics
H-Index
i10 Index
Citation Counts
64
134
20,694
Philosophy
Philosophy of Mind
Philosophy of Psychology
Consciousness
Epistemology
Rankings
Ranking Based On Selection: 76
Terry L Erwin
Metrics
H-Index
i10 Index
Citation Counts
64
149
23,059
Coleoptera Systematics
Biodiversity
Conservation Biology
Biogeography
Rankings
Ranking Based On Selection: 77
Dana Scott
Metrics
H-Index
i10 Index
Citation Counts
64
174
29,265
Rankings
Ranking Based On Selection: 78
Arnold G Van Der Valk
Metrics
H-Index
i10 Index
Citation Counts
64
125
13,212
History of Ecology
Wetland Ecology
Frederic E. Clements
Rankings
Ranking Based On Selection: 79
Peter Haase
Metrics
H-Index
i10 Index
Citation Counts
63
141
11,186
Long-term ecological research
river and floodplain ecology
Rankings
Ranking Based On Selection: 80
Don E Wilson
Metrics
H-Index
i10 Index
Citation Counts
63
205
28,778
Rankings
Ranking Based On Selection: 81
Bas Van Fraassen
Metrics
H-Index
i10 Index
Citation Counts
63
161
32,826
Rankings
Ranking Based On Selection: 82
Alfred I Tauber
Metrics
H-Index
i10 Index
Citation Counts
63
171
14,925
immunology
medical ethics
Freud
philosophy of science
Rankings
Ranking Based On Selection: 83
Ned Block
Metrics
H-Index
i10 Index
Citation Counts
62
120
27,494
Rankings
Ranking Based On Selection: 84
Sara Russell
Metrics
H-Index
i10 Index
Citation Counts
62
180
11,329
Rankings
Ranking Based On Selection: 85
J Baird Callicott
Metrics
H-Index
i10 Index
Citation Counts
62
151
18,314
Philosophy
Ecology
Conservation Biology
Environmental Studies
Rankings
Ranking Based On Selection: 86
Brian Gaines
Metrics
H-Index
i10 Index
Citation Counts
62
208
14,520
Rankings
Ranking Based On Selection: 87
Stephen J. Brooks
Metrics
H-Index
i10 Index
Citation Counts
61
174
14,250
Freshwater biology
palaeoecology
environmental change
Chironomidae
Odonata
Rankings
Ranking Based On Selection: 88
Jane S Green
Metrics
H-Index
i10 Index
Citation Counts
61
129
21,785
Hereditary eye disease
hereditary cancer
natural history of hereditary diseases
Rankings
Ranking Based On Selection: 89
M Christopher Dean
Metrics
H-Index
i10 Index
Citation Counts
61
123
13,368
Human Evolution
dental anthropology
enamel and dentine microstructure
Rankings
Ranking Based On Selection: 90
Elizabeth A Zimmer
Metrics
H-Index
i10 Index
Citation Counts
61
116
16,430
Plant biology
molecular evolution
systematics
Rankings
Ranking Based On Selection: 91
Galen Halverson
Metrics
H-Index
i10 Index
Citation Counts
60
132
16,605
Geology
Stratigraphy
Sedimentology
Proterozoic Earth history
Rankings
Ranking Based On Selection: 92
Duncan Pritchard
Metrics
H-Index
i10 Index
Citation Counts
60
186
15,013
Epistemology
Skepticism
Intellectual Virtue
Education
Rankings
Ranking Based On Selection: 93
Steven Ruggles
Metrics
H-Index
i10 Index
Citation Counts
60
190
23,976
Historical Demography
Family Demography
History of the Family
Demography
Rankings
Ranking Based On Selection: 94
Mark Johnson
Metrics
H-Index
i10 Index
Citation Counts
60
100
169,021
cognitive science
philosophy of language
moral theory
aesthetics
American Philosophy
Rankings
Ranking Based On Selection: 95
Robert Brandom
Metrics
H-Index
i10 Index
Citation Counts
60
145
29,076
Philosophy of language
mind
and logic. German idealism
pragmatism
Sellars
Rankings
Ranking Based On Selection: 96
Steven R Manchester
Metrics
H-Index
i10 Index
Citation Counts
60
201
14,203
paleontology
paleobotany
fossil plants
palaeobotany
angiosperm systematics
Rankings
Ranking Based On Selection: 97
William Bechtel
Metrics
H-Index
i10 Index
Citation Counts
60
169
19,537
philosophy of the life sciences
philosophy of cognitive science
philosophy of neuroscience
Rankings
Ranking Based On Selection: 98
Anders Bignert
Metrics
H-Index
i10 Index
Citation Counts
60
128
10,184
Rankings
Ranking Based On Selection: 99
Lynn Hunt
Metrics
H-Index
i10 Index
Citation Counts
60
140
27,625
French Revolution
cultural history
gender history
Rankings
Ranking Based On Selection: 100
Harold E Robinson
Metrics
H-Index
i10 Index
Citation Counts
60
413
16,813