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" (870,053 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: 2
Aage Haugen
Cancer
lung cancer
genetic susceptibility
carcinogenesis
toxicology
Metrics
H-Index
i10 Index
Citation
72
169
18,172
* Rankings
Ranking Based On Selection: 3
Tore Tynes
kreftepidemiologi
arbeidsmiljø og helse
Metrics
H-Index
i10 Index
Citation
50
81
10,179
* Rankings
Ranking Based On Selection: 4
Vidar Skaug
toksikologi helse arbeid medisin sydomsårsaker
Metrics
H-Index
i10 Index
Citation
43
86
8,277
* Rankings
Ranking Based On Selection: 5
Shanbeh Zienolddiny
Carcinogenesis
Genetics
Occupational health
Metrics
H-Index
i10 Index
Citation
42
87
6,642
* Rankings
Ranking Based On Selection: 9
Dagfinn Matre
smerte
søvn
muskelskjelettplager
Metrics
H-Index
i10 Index
Citation
22
37
2,458

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* Rankings
Ranking Based On Selection: 13
Anani Komlavi Afanou
Exposure assessments
Microbiology
Occupational Health
in vitro exposure
Metrics
H-Index
i10 Index
Citation
14
18
499
* Rankings
Ranking Based On Selection: 15
Susann Wolf
Toxicology
Nanomaterials
Biomaterials
Molecular Medicine
Metrics
H-Index
i10 Index
Citation
6
6
312
* Rankings
Ranking Based On Selection: 16
Fikirte Debebe Zegeye
Shellfish allergens
occupational allergy and asthma
Metrics
H-Index
i10 Index
Citation
2
1
20
Rankings
Ranking Based On Selection: 1
Håkan Wallin
Metrics
H-Index
i10 Index
Citation Counts
81
202
19,210
Rankings
Ranking Based On Selection: 2
Aage Haugen
Metrics
H-Index
i10 Index
Citation Counts
72
169
18,172
Cancer
lung cancer
genetic susceptibility
carcinogenesis
toxicology
Rankings
Ranking Based On Selection: 3
Tore Tynes
Metrics
H-Index
i10 Index
Citation Counts
50
81
10,179
kreftepidemiologi
arbeidsmiljø og helse
Rankings
Ranking Based On Selection: 4
Vidar Skaug
Metrics
H-Index
i10 Index
Citation Counts
43
86
8,277
toksikologi helse arbeid medisin sydomsårsaker
Rankings
Ranking Based On Selection: 5
Shanbeh Zienolddiny
Metrics
H-Index
i10 Index
Citation Counts
42
87
6,642
Carcinogenesis
Genetics
Occupational health
Rankings
Ranking Based On Selection: 6
Steen Mollerup
Metrics
H-Index
i10 Index
Citation Counts
28
41
3,136
Rankings
Ranking Based On Selection: 7
Marit Skogstad
Metrics
H-Index
i10 Index
Citation Counts
26
45
2,758
Rankings
Ranking Based On Selection: 8
Tom Sterud
Metrics
H-Index
i10 Index
Citation Counts
25
34
2,749
Rankings
Ranking Based On Selection: 9
Dagfinn Matre
Metrics
H-Index
i10 Index
Citation Counts
22
37
2,458
smerte
søvn
muskelskjelettplager
Rankings
Ranking Based On Selection: 10
Fred Haugen
Metrics
H-Index
i10 Index
Citation Counts
22
29
3,020

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Berit Bakke
Metrics
H-Index
i10 Index
Citation Counts
21
25
1,394
Rankings
Ranking Based On Selection: 12
Håkon A. Johannessen
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,924
Occupational Epidemiology
Rankings
Ranking Based On Selection: 13
Anani Komlavi Afanou
Metrics
H-Index
i10 Index
Citation Counts
14
18
499
Exposure assessments
Microbiology
Occupational Health
in vitro exposure
Rankings
Ranking Based On Selection: 14
Therese Nitter Moazami
Metrics
H-Index
i10 Index
Citation Counts
7
5
135
Rankings
Ranking Based On Selection: 15
Susann Wolf
Metrics
H-Index
i10 Index
Citation Counts
6
6
312
Toxicology
Nanomaterials
Biomaterials
Molecular Medicine
Rankings
Ranking Based On Selection: 16
Fikirte Debebe Zegeye
Metrics
H-Index
i10 Index
Citation Counts
2
1
20
Shellfish allergens
occupational allergy and asthma