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" (873,690 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
Galina Velikova
patient-reported outcomes
medical oncology
breast cancer
Metrics
H-Index
i10 Index
Citation
79
227
22,825
* Rankings
Ranking Based On Selection: 2
Timothy Perren
Clinical trials in breast cancer and gynaecological cancer
Metrics
H-Index
i10 Index
Citation
62
132
17,496
* Rankings
Ranking Based On Selection: 3
David Sebag Montefiore
Rectal and anal cancer
clinical trials
radiotherapy research
Metrics
H-Index
i10 Index
Citation
55
113
15,038
Ane L Appelt
Reirradiation
Clinical Trials
Radiobiological Modelling
Radiotherapy Physics
GI Cancer
Metrics
H-Index
i10 Index
Citation
27
51
4,568
Rankings
Ranking Based On Selection: 1
Galina Velikova
Metrics
H-Index
i10 Index
Citation Counts
79
227
22,825
patient-reported outcomes
medical oncology
breast cancer
Rankings
Ranking Based On Selection: 2
Timothy Perren
Metrics
H-Index
i10 Index
Citation Counts
62
132
17,496
Clinical trials in breast cancer and gynaecological cancer
Rankings
Ranking Based On Selection: 3
David Sebag Montefiore
Metrics
H-Index
i10 Index
Citation Counts
55
113
15,038
Rectal and anal cancer
clinical trials
radiotherapy research
Rankings
Ranking Based On Selection: 4
Ane L Appelt
Metrics
H-Index
i10 Index
Citation Counts
27
51
4,568
Reirradiation
Clinical Trials
Radiobiological Modelling
Radiotherapy Physics
GI Cancer
Rankings
Ranking Based On Selection: 5
Christopher Williams
Metrics
H-Index
i10 Index
Citation Counts
9
9
699