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 :1
Nicolaas E Deutz
amino acids
clinical nutrition
critical care
stable isotopes
aging
Metrics
H-Index
i10 Index
Citation
92
358
33,233
Bradley Johnston
Research Methodology
Evidence-Based Nutrition
Patient & Community Centred Health Outcomes
Metrics
H-Index
i10 Index
Citation
64
126
22,750
MariëLle elen
nutrition
metabolism and functional performance in aging and associated chronic disease
Metrics
H-Index
i10 Index
Citation
48
94
11,125
Rankings
Ranking Based On Selection: 1
Nicolaas E Deutz
Metrics
H-Index
i10 Index
Citation Counts
92
358
33,233
amino acids
clinical nutrition
critical care
stable isotopes
aging
Rankings
Ranking Based On Selection: 2
Robert Chapkin
Metrics
H-Index
i10 Index
Citation Counts
80
280
20,997
Rankings
Ranking Based On Selection: 3
Bradley Johnston
Metrics
H-Index
i10 Index
Citation Counts
64
126
22,750
Research Methodology
Evidence-Based Nutrition
Patient & Community Centred Health Outcomes
Rankings
Ranking Based On Selection: 4
MariëLle elen
Metrics
H-Index
i10 Index
Citation Counts
48
94
11,125
nutrition
metabolism and functional performance in aging and associated chronic disease
Rankings
Ranking Based On Selection: 5
Rosemary L Walzem
Metrics
H-Index
i10 Index
Citation Counts
44
96
9,433
Rankings
Ranking Based On Selection: 6
Giuliana D Noratto
Metrics
H-Index
i10 Index
Citation Counts
36
48
4,001
Rankings
Ranking Based On Selection: 7
Steven E Riechman|Steven E Riechman, SE Riechman
Metrics
H-Index
i10 Index
Citation Counts
29
39
3,106
Rankings
Ranking Based On Selection: 8
Gerdien Ligthart Melis
Metrics
H-Index
i10 Index
Citation Counts
22
31
2,722
Rankings
Ranking Based On Selection: 9
Reza Rezaei
Metrics
H-Index
i10 Index
Citation Counts
13
17
1,315
Rankings
Ranking Based On Selection: 10
Hang Xu
Metrics
H-Index
i10 Index
Citation Counts
12
13
1,777