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 :3
Sebastian L Johnston
Respiratory Medicine
Allergy
Infectious Disease
Immunology
Metrics
H-Index
i10 Index
Citation
127
419
75,414
Suveer Singh
Critical Care
Respiratory Medicine
Sleep Medicine
Pulmonary Infection
Medical Education
Metrics
H-Index
i10 Index
Citation
34
79
5,294
Rankings
Ranking Based On Selection: 1
Peter J Barnes
Metrics
H-Index
i10 Index
Citation Counts
247
1,611
275,079
Rankings
Ranking Based On Selection: 2
Jadwiga Wedzicha
Metrics
H-Index
i10 Index
Citation Counts
129
357
82,335
Rankings
Ranking Based On Selection: 3
Sebastian L Johnston
Metrics
H-Index
i10 Index
Citation Counts
127
419
75,414
Respiratory Medicine
Allergy
Infectious Disease
Immunology
Rankings
Ranking Based On Selection: 4
John Wharton
Metrics
H-Index
i10 Index
Citation Counts
70
175
17,469
Rankings
Ranking Based On Selection: 5
Patrick Mallia
Metrics
H-Index
i10 Index
Citation Counts
51
82
10,251
Rankings
Ranking Based On Selection: 6
Suveer Singh
Metrics
H-Index
i10 Index
Citation Counts
34
79
5,294
Critical Care
Respiratory Medicine
Sleep Medicine
Pulmonary Infection
Medical Education
Rankings
Ranking Based On Selection: 7
Eric Dubuis
Metrics
H-Index
i10 Index
Citation Counts
24
33
2,134
Rankings
Ranking Based On Selection: 8
Thomas Colley
Metrics
H-Index
i10 Index
Citation Counts
14
15
923
Rankings
Ranking Based On Selection: 9
Kartik Kumar
Metrics
H-Index
i10 Index
Citation Counts
12
16
1,325
Rankings
Ranking Based On Selection: 10
Phua Chee Kiang
Metrics
H-Index
i10 Index
Citation Counts
8
8
300