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" (888,752 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
Ioan TanŞ£ău
Palynology
Vegetation history
Palaeoecology
Quaternary geology
Metrics
H-Index
i10 Index
Citation
30
58
3,799
* Rankings
Ranking Based On Selection: 3
Ioan I. Bucur
Carbonate micropaleontology
Carbonate sedimentology
Metrics
H-Index
i10 Index
Citation
27
103
3,050
* Rankings
Ranking Based On Selection: 4
Calin Baciu
gas geochemistry
hydrogeochemistry
environmental analysis
Metrics
H-Index
i10 Index
Citation
25
47
2,334
* Rankings
Ranking Based On Selection: 6
Lujza Keresztes Ujvarosi
Phylogeography
Speciation
Integrative taxonomy
Aquatic Insects
Metrics
H-Index
i10 Index
Citation
19
34
1,691
* Rankings
Ranking Based On Selection: 8
Asoc. Ferenc L. Forray
Geochemistry
Environmental geology
Stable Isotopes
Mineralogy ...
Metrics
H-Index
i10 Index
Citation
17
19
746

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* Rankings
Ranking Based On Selection: 11
Constantin Balica
Earth Sciences
Geochronology & isotope Geology
Continental crust: origin and composition
Tectonics and Basement dynamics
Metrics
H-Index
i10 Index
Citation
16
24
967
* Rankings
Ranking Based On Selection: 12
Vasile Cristea
Biodiversity & Conservation
Environmental Sciences & Ecology
Evolutionary Biology
Metrics
H-Index
i10 Index
Citation
16
25
1,438
* Rankings
Ranking Based On Selection: 13
Ioan Fodorean
Geography
Digital Cartography
G.I.S.
Limnology
Metrics
H-Index
i10 Index
Citation
13
16
457
* Rankings
Ranking Based On Selection: 15
Carmen Mariana Chira
Geologie
Paleontologie
Paleoecologie
Nannoplancton
Stiintele Pamantului
Metrics
H-Index
i10 Index
Citation
12
14
328
* Rankings
Ranking Based On Selection: 16
Horea Bedelean
Geology
Industrial minerals
Geological mapping
Metrics
H-Index
i10 Index
Citation
11
14
554
* Rankings
Ranking Based On Selection: 17
Cristian Victor Mircescu
Carbonate microfacies
carbonate sedimentology
biostratigraphy
Metrics
H-Index
i10 Index
Citation
10
10
224
* Rankings
Ranking Based On Selection: 22
Nicolae Har
geologie
inginerie geologica
petrografie
mineralogie
Metrics
H-Index
i10 Index
Citation
7
6
331
Bálint-Bálint Lóránt
Tourism
Ecotourism
Balneary tourism
Geomorphosites
Volcanology
Metrics
H-Index
i10 Index
Citation
2
0
12
Agnes Ruskal
geology
palaeoclimate
palaentology
micropalaentology
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
Ioan TanŞ£ău
Metrics
H-Index
i10 Index
Citation Counts
30
58
3,799
Palynology
Vegetation history
Palaeoecology
Quaternary geology
Rankings
Ranking Based On Selection: 2
Codrea Vlad
Metrics
H-Index
i10 Index
Citation Counts
30
100
3,403
Rankings
Ranking Based On Selection: 3
Ioan I. Bucur
Metrics
H-Index
i10 Index
Citation Counts
27
103
3,050
Carbonate micropaleontology
Carbonate sedimentology
Rankings
Ranking Based On Selection: 4
Calin Baciu
Metrics
H-Index
i10 Index
Citation Counts
25
47
2,334
gas geochemistry
hydrogeochemistry
environmental analysis
Rankings
Ranking Based On Selection: 5
Balintoni I
Metrics
H-Index
i10 Index
Citation Counts
23
46
2,009
Rankings
Ranking Based On Selection: 6
Lujza Keresztes Ujvarosi
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,691
Phylogeography
Speciation
Integrative taxonomy
Aquatic Insects
Rankings
Ranking Based On Selection: 7
Tudor Tămaş
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,163
Rankings
Ranking Based On Selection: 8
Asoc. Ferenc L. Forray
Metrics
H-Index
i10 Index
Citation Counts
17
19
746
Geochemistry
Environmental geology
Stable Isotopes
Mineralogy ...
Rankings
Ranking Based On Selection: 9
Emanoil Sasaran
Metrics
H-Index
i10 Index
Citation Counts
17
35
1,138
Rankings
Ranking Based On Selection: 10
Calin Tamas
Metrics
H-Index
i10 Index
Citation Counts
17
22
985

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Constantin Balica
Metrics
H-Index
i10 Index
Citation Counts
16
24
967
Earth Sciences
Geochronology & isotope Geology
Continental crust: origin and composition
Tectonics and Basement dynamics
Rankings
Ranking Based On Selection: 12
Vasile Cristea
Metrics
H-Index
i10 Index
Citation Counts
16
25
1,438
Biodiversity & Conservation
Environmental Sciences & Ecology
Evolutionary Biology
Rankings
Ranking Based On Selection: 13
Ioan Fodorean
Metrics
H-Index
i10 Index
Citation Counts
13
16
457
Geography
Digital Cartography
G.I.S.
Limnology
Rankings
Ranking Based On Selection: 14
Beatrice Kelemen
Metrics
H-Index
i10 Index
Citation Counts
12
14
486
Rankings
Ranking Based On Selection: 15
Carmen Mariana Chira
Metrics
H-Index
i10 Index
Citation Counts
12
14
328
Geologie
Paleontologie
Paleoecologie
Nannoplancton
Stiintele Pamantului
Rankings
Ranking Based On Selection: 16
Horea Bedelean
Metrics
H-Index
i10 Index
Citation Counts
11
14
554
Geology
Industrial minerals
Geological mapping
Rankings
Ranking Based On Selection: 17
Cristian Victor Mircescu
Metrics
H-Index
i10 Index
Citation Counts
10
10
224
Carbonate microfacies
carbonate sedimentology
biostratigraphy
Rankings
Ranking Based On Selection: 18
Nicoleta Brisan
Metrics
H-Index
i10 Index
Citation Counts
9
9
261
Rankings
Ranking Based On Selection: 19
Dan Mircea Tamas|Dan M. Tamas, Dan Mircea Tămaș, Dan M. Tămaș
Metrics
H-Index
i10 Index
Citation Counts
8
6
170
Analogue Modelling
Salt Tectonics
Structural Geology
Subsurface Energy
Rankings
Ranking Based On Selection: 20
Gheorghe Rosian
Metrics
H-Index
i10 Index
Citation Counts
8
8
276
Rankings
Ranking Based On Selection: 21
Alexandra Giurgiu
Metrics
H-Index
i10 Index
Citation Counts
7
5
244
Rankings
Ranking Based On Selection: 22
Nicolae Har
Metrics
H-Index
i10 Index
Citation Counts
7
6
331
geologie
inginerie geologica
petrografie
mineralogie
Rankings
Ranking Based On Selection: 23
Dan Costin
Metrics
H-Index
i10 Index
Citation Counts
6
2
139
Rankings
Ranking Based On Selection: 24
Emilia Mosonyi
Metrics
H-Index
i10 Index
Citation Counts
4
2
76
Rankings
Ranking Based On Selection: 25
Vele Dan
Metrics
H-Index
i10 Index
Citation Counts
3
2
106
Rankings
Ranking Based On Selection: 26
Carlo Aroldi
Metrics
H-Index
i10 Index
Citation Counts
3
1
48
Rankings
Ranking Based On Selection: 27
Stefan Buimaga-Iarinca
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
Rankings
Ranking Based On Selection: 28
Szalay Roland
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Rankings
Ranking Based On Selection: 29
Gál Andrea
Metrics
H-Index
i10 Index
Citation Counts
2
1
31
Rankings
Ranking Based On Selection: 30
Bálint-Bálint Lóránt
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Tourism
Ecotourism
Balneary tourism
Geomorphosites
Volcanology
Rankings
Ranking Based On Selection: 31
Agnes Ruskal
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
geology
palaeoclimate
palaentology
micropalaentology