Top 100 Scientists

World Top 100 Scientists 2025

The ranking of “Top 100” scientists is based on total H-index scores. 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (1,014,374 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. 

Oktay Gonultas
Bio-based Adhesives
Tannin Chemistry and Utilization
Lignin
Cellulose
Polylactic acid
Metrics
H-Index
i10 Index
Citation
13
16
555
Rankings
Ranking Based On Selection: 1
Baybars Köksoy
Metrics
H-Index
i10 Index
Citation Counts
19
28
837
Organic Chemistry
Light Absorbing Materials
Photochemistry
Rankings
Ranking Based On Selection: 2
Gökhan Gece
Metrics
H-Index
i10 Index
Citation Counts
16
19
3,804
physical chemistry
inhibitor
corrosion inhibition
Rankings
Ranking Based On Selection: 3
Oktay Gonultas
Metrics
H-Index
i10 Index
Citation Counts
13
16
555
Bio-based Adhesives
Tannin Chemistry and Utilization
Lignin
Cellulose
Polylactic acid
Rankings
Ranking Based On Selection: 4
Mustafa Salih Hızır
Metrics
H-Index
i10 Index
Citation Counts
13
13
629
Rankings
Ranking Based On Selection: 5
Yunus Kaya
Metrics
H-Index
i10 Index
Citation Counts
13
17
527
Rankings
Ranking Based On Selection: 6
Omer Koz
Metrics
H-Index
i10 Index
Citation Counts
10
10
297
Organic Chemistry
Natural Product Chemistry
Pharmacognosy
Rankings
Ranking Based On Selection: 7
Gamze Koz
Metrics
H-Index
i10 Index
Citation Counts
7
6
132
Organic Chemistry
Asymmetric Synthesis
Catalysis
Medicinal Chemistry
Rankings
Ranking Based On Selection: 8
Murat Özen
Metrics
H-Index
i10 Index
Citation Counts
6
5
130
Rankings
Ranking Based On Selection: 9
Aysenur Erdogan
Metrics
H-Index
i10 Index
Citation Counts
5
3
88
Rankings
Ranking Based On Selection: 10
Berna Niş
Metrics
H-Index
i10 Index
Citation Counts
4
3
92
Rankings
Ranking Based On Selection: 11
Esma Okur Kutay
Metrics
H-Index
i10 Index
Citation Counts
4
1
50