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" (873,864 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 :4
Guðrún Ólafsdóttir
Food value chains
Sustainability assessments
fish quality
life cycle assessments
Metrics
H-Index
i10 Index
Citation
28
57
5,554
* Rankings
Ranking Based On Selection :7
Ólafur Ögmundarson
Life Cycle Assessment
Bio-chemicals
Food production systems Sustainability
Blue bio-economy
Metrics
H-Index
i10 Index
Citation
10
11
662
Bjorn Adalbjornsson
Food Science
Food Chemistry
Food Innovation
Product Development
Metrics
H-Index
i10 Index
Citation
7
6
346
Rankings
Ranking Based On Selection: 1
Thorhallur I Halldorsson
Metrics
H-Index
i10 Index
Citation Counts
59
168
12,681
Rankings
Ranking Based On Selection: 2
Gudjon Thorkelsson
Metrics
H-Index
i10 Index
Citation Counts
32
48
3,354
Rankings
Ranking Based On Selection: 3
Bryndis Eva Birgisdottir
Metrics
H-Index
i10 Index
Citation Counts
30
57
4,336
Rankings
Ranking Based On Selection: 4
Guðrún Ólafsdóttir
Metrics
H-Index
i10 Index
Citation Counts
28
57
5,554
Food value chains
Sustainability assessments
fish quality
life cycle assessments
Rankings
Ranking Based On Selection: 5
María Guðjónsdóttir
Metrics
H-Index
i10 Index
Citation Counts
24
41
1,596
Rankings
Ranking Based On Selection: 6
Olof Gudny Geirsdottir
Metrics
H-Index
i10 Index
Citation Counts
16
21
1,045
Rankings
Ranking Based On Selection: 7
Ólafur Ögmundarson
Metrics
H-Index
i10 Index
Citation Counts
10
11
662
Life Cycle Assessment
Bio-chemicals
Food production systems Sustainability
Blue bio-economy
Rankings
Ranking Based On Selection: 8
Bjorn Adalbjornsson
Metrics
H-Index
i10 Index
Citation Counts
7
6
346
Food Science
Food Chemistry
Food Innovation
Product Development
Rankings
Ranking Based On Selection: 9
Romauli Juliana Napitupulu
Metrics
H-Index
i10 Index
Citation Counts
5
2
91
Rankings
Ranking Based On Selection: 10
Clara Vasquez-Mejia
Metrics
H-Index
i10 Index
Citation Counts
3
0
22