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" (873,690 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: 3
Mahesh Anand
Moon
Lunar volatiles
Mars
Meteorites
Geochemistry
Metrics
H-Index
i10 Index
Citation
54
133
8,309
* Rankings
Ranking Based On Selection: 5
Mike Widdowson
geochemistry
geology
flood basalts
weathering
laterites
Metrics
H-Index
i10 Index
Citation
41
68
7,412
* Rankings
Ranking Based On Selection: 6
Clare Warren
earth sciences
geochronology
metamorphic petrology
tectonics
Metrics
H-Index
i10 Index
Citation
37
53
5,030
Marcus Badger
Organic Geochemistry
Paleoceanography
Climate change
Metrics
H-Index
i10 Index
Citation
13
13
1,690

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Simone Cogliati
Volcanology
Noble gases
Geochemistry
Mars
Water/Rock interaction
Metrics
H-Index
i10 Index
Citation
4
1
57
Felicity Williams
Planetary science
impact craters
geochemistry
mass extinctions
astrobiology
Metrics
H-Index
i10 Index
Citation
1
0
4
Rankings
Ranking Based On Selection: 1
Robert Spicer
Metrics
H-Index
i10 Index
Citation Counts
68
183
15,860
Rankings
Ranking Based On Selection: 2
Nick Rogers
Metrics
H-Index
i10 Index
Citation Counts
56
102
14,014
Rankings
Ranking Based On Selection: 3
Mahesh Anand
Metrics
H-Index
i10 Index
Citation Counts
54
133
8,309
Moon
Lunar volatiles
Mars
Meteorites
Geochemistry
Rankings
Ranking Based On Selection: 4
Neil R Edwards
Metrics
H-Index
i10 Index
Citation Counts
47
97
9,448
Rankings
Ranking Based On Selection: 5
Mike Widdowson
Metrics
H-Index
i10 Index
Citation Counts
41
68
7,412
geochemistry
geology
flood basalts
weathering
laterites
Rankings
Ranking Based On Selection: 6
Clare Warren
Metrics
H-Index
i10 Index
Citation Counts
37
53
5,030
earth sciences
geochronology
metamorphic petrology
tectonics
Rankings
Ranking Based On Selection: 7
Lee Francis White
Metrics
H-Index
i10 Index
Citation Counts
14
16
456
Rankings
Ranking Based On Selection: 8
Marcus Badger
Metrics
H-Index
i10 Index
Citation Counts
13
13
1,690
Organic Geochemistry
Paleoceanography
Climate change
Rankings
Ranking Based On Selection: 9
earth sciences
geology
planetary sciences
electron microscopy
Rankings
Ranking Based On Selection: 10
Charlotte Spencer-Jones
Metrics
H-Index
i10 Index
Citation Counts
7
5
241

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Rankings
Ranking Based On Selection: 11
Simone Cogliati
Metrics
H-Index
i10 Index
Citation Counts
4
1
57
Volcanology
Noble gases
Geochemistry
Mars
Water/Rock interaction
Rankings
Ranking Based On Selection: 12
Felicity Williams
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Planetary science
impact craters
geochemistry
mass extinctions
astrobiology