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" (873,937 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.

Nicholas Kametas
Pregnancy
Hypertension
Pre-eclampsia
Diabetes
Perinatal mortality
Metrics
H-Index
i10 Index
Citation
41
79
8,590
Gautam Mehra
Gynaecological Cancer
Robotics
Minimal access Surgery
Tumour location
Metrics
H-Index
i10 Index
Citation
19
22
3,316
Surabhi Nanda
Obstetrics
Maternal Fetal Medicine
Critical care Obstetrics
Multiple pregnancy
Metrics
H-Index
i10 Index
Citation
11
11
729
Rankings
Ranking Based On Selection: 1
Catherine Williamson
Metrics
H-Index
i10 Index
Citation Counts
85
215
36,514
Rankings
Ranking Based On Selection: 2
Lucy Chappell
Metrics
H-Index
i10 Index
Citation Counts
69
213
37,179
Rankings
Ranking Based On Selection: 3
Nicholas Kametas
Metrics
H-Index
i10 Index
Citation Counts
41
79
8,590
Pregnancy
Hypertension
Pre-eclampsia
Diabetes
Perinatal mortality
Rankings
Ranking Based On Selection: 4
Gautam Mehra
Metrics
H-Index
i10 Index
Citation Counts
19
22
3,316
Gynaecological Cancer
Robotics
Minimal access Surgery
Tumour location
Rankings
Ranking Based On Selection: 5
Surabhi Nanda
Metrics
H-Index
i10 Index
Citation Counts
11
11
729
Obstetrics
Maternal Fetal Medicine
Critical care Obstetrics
Multiple pregnancy