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" (875,720 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
Seyed Mohammad Abedi
Nuclear Medicine
Radiopharmaceuticals
Radiobiology
Metrics
H-Index
i10 Index
Citation
19
35
1,070
Tayyeb Allahverdi Pourfallah
Radiotherapy & Radiosurgery Physics
Conventional & 3D Dosimetry
Radiation Protection
Medical Imaging Physics
MC Simulation
Metrics
H-Index
i10 Index
Citation
11
14
313
Alireza Khorrami Moghaddam
Medical physics
nuclear medicine
radiopharmacutical
radiotherapy Dosimetry
Metrics
H-Index
i10 Index
Citation
10
11
531
Rankings
Ranking Based On Selection: 1
Seyed Mohammad Abedi
Metrics
H-Index
i10 Index
Citation Counts
19
35
1,070
Nuclear Medicine
Radiopharmaceuticals
Radiobiology
Rankings
Ranking Based On Selection: 2
Tayyeb Allahverdi Pourfallah
Metrics
H-Index
i10 Index
Citation Counts
11
14
313
Radiotherapy & Radiosurgery Physics
Conventional & 3D Dosimetry
Radiation Protection
Medical Imaging Physics
MC Simulation
Rankings
Ranking Based On Selection: 3
Alireza Khorrami Moghaddam
Metrics
H-Index
i10 Index
Citation Counts
10
11
531
Medical physics
nuclear medicine
radiopharmacutical
radiotherapy Dosimetry
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