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
Indra Bahadur
Thermodynamics of solution
DESs
Ionic Liquids
Corrosion
Separation Technology
Metrics
H-Index
i10 Index
Citation
60
173
11,585
* Rankings
Ranking Based On Selection: 2
Dmitri Bessarabov
membranes
hydrogen
fuel cells
electrolysis
Metrics
H-Index
i10 Index
Citation
47
141
10,359
* Rankings
Ranking Based On Selection: 3
Johan Paul Beukes
Air Quality
Climate Change
Atmospheric Chemistry
Metallurgy
Pyrometallurgy
Metrics
H-Index
i10 Index
Citation
38
94
5,165
* Rankings
Ranking Based On Selection: 7
Peet Jansen Van Rensburg
Analytical Chemistry
Biochemistry
Environmental Science
Metrics
H-Index
i10 Index
Citation
22
36
1,864
* Rankings
Ranking Based On Selection: 8
RJ (Cobus) Kriek
energy conversion and storage
electrocatalysis
photocatalysis
photo-electrocatalysis
Metrics
H-Index
i10 Index
Citation
21
36
1,359
* Rankings
Ranking Based On Selection: 9
Jerry O. Adeyemi
Metal Complexes
Nanomaterial
Food Packaging Technology
Edible Films
Biological Studies
Metrics
H-Index
i10 Index
Citation
18
25
1,049
* Rankings
Ranking Based On Selection: 10
Phillimon Modisha
Hydrogen
Liquid organic hydrogen carriers
Electrolysis
Metrics
H-Index
i10 Index
Citation
18
21
1,851

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* Rankings
Ranking Based On Selection: 11
Pannuru Kiran Kumar
Protein Folding Ionic Liquids Biophysical Chemistry
Metrics
H-Index
i10 Index
Citation
17
33
1,142
* Rankings
Ranking Based On Selection: 12
Richard Mbi Beteck
Synthetic medicinal chemistry
drug discovery and development
infectious diseases
analytical chemistry
Metrics
H-Index
i10 Index
Citation
14
23
732
* Rankings
Ranking Based On Selection: 13
Saheed Eluwale Elugoke
Nanomaterials
Material chemistry
Electrochemistry
Polymer chemistry
Industrial chemistry
Metrics
H-Index
i10 Index
Citation
10
10
448
Murendeni Ravele
Photocatalysis
Material science and inorganic chemistry
Metrics
H-Index
i10 Index
Citation
5
5
123
Johan Hendriks
Analytical Chemistry
Separation Science
ICP-MS
Mass Spectrometry
Metrics
H-Index
i10 Index
Citation
4
3
131
Fortunate Mokoena
Structural bioinformatics
protein chemistry
infectious disease
Metrics
H-Index
i10 Index
Citation
4
2
93
Joyce Tsepiso Khutlane
Material Science
Inorganic chemistry
Computational chemistry and Analytical chemistry
Metrics
H-Index
i10 Index
Citation
3
2
34
Rankings
Ranking Based On Selection: 1
Indra Bahadur
Metrics
H-Index
i10 Index
Citation Counts
60
173
11,585
Thermodynamics of solution
DESs
Ionic Liquids
Corrosion
Separation Technology
Rankings
Ranking Based On Selection: 2
Dmitri Bessarabov
Metrics
H-Index
i10 Index
Citation Counts
47
141
10,359
Rankings
Ranking Based On Selection: 3
Johan Paul Beukes
Metrics
H-Index
i10 Index
Citation Counts
38
94
5,165
Air Quality
Climate Change
Atmospheric Chemistry
Metallurgy
Pyrometallurgy
Rankings
Ranking Based On Selection: 4
Christien Strydom
Metrics
H-Index
i10 Index
Citation Counts
35
97
5,316
Rankings
Ranking Based On Selection: 5
Omolola E Fayemi
Metrics
H-Index
i10 Index
Citation Counts
30
58
3,072
Rankings
Ranking Based On Selection: 6
Jacobus Pienaar
Metrics
H-Index
i10 Index
Citation Counts
27
45
3,594
Rankings
Ranking Based On Selection: 7
Peet Jansen Van Rensburg
Metrics
H-Index
i10 Index
Citation Counts
22
36
1,864
Analytical Chemistry
Biochemistry
Environmental Science
Rankings
Ranking Based On Selection: 8
RJ (Cobus) Kriek
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,359
energy conversion and storage
electrocatalysis
photocatalysis
photo-electrocatalysis
Rankings
Ranking Based On Selection: 9
Jerry O. Adeyemi
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,049
Metal Complexes
Nanomaterial
Food Packaging Technology
Edible Films
Biological Studies
Rankings
Ranking Based On Selection: 10
Phillimon Modisha
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,851
Hydrogen
Liquid organic hydrogen carriers
Electrolysis

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Pannuru Kiran Kumar
Metrics
H-Index
i10 Index
Citation Counts
17
33
1,142
Protein Folding Ionic Liquids Biophysical Chemistry
Rankings
Ranking Based On Selection: 12
Richard Mbi Beteck
Metrics
H-Index
i10 Index
Citation Counts
14
23
732
Synthetic medicinal chemistry
drug discovery and development
infectious diseases
analytical chemistry
Rankings
Ranking Based On Selection: 13
Saheed Eluwale Elugoke
Metrics
H-Index
i10 Index
Citation Counts
10
10
448
Nanomaterials
Material chemistry
Electrochemistry
Polymer chemistry
Industrial chemistry
Rankings
Ranking Based On Selection: 14
Sphelele C. Sosibo
Metrics
H-Index
i10 Index
Citation Counts
7
6
110
Rankings
Ranking Based On Selection: 15
Zimbili Mkhize
Metrics
H-Index
i10 Index
Citation Counts
6
6
148
Rankings
Ranking Based On Selection: 16
Murendeni Ravele
Metrics
H-Index
i10 Index
Citation Counts
5
5
123
Photocatalysis
Material science and inorganic chemistry
Rankings
Ranking Based On Selection: 17
Johan Hendriks
Metrics
H-Index
i10 Index
Citation Counts
4
3
131
Analytical Chemistry
Separation Science
ICP-MS
Mass Spectrometry
Rankings
Ranking Based On Selection: 18
Fortunate Mokoena
Metrics
H-Index
i10 Index
Citation Counts
4
2
93
Structural bioinformatics
protein chemistry
infectious disease
Rankings
Ranking Based On Selection: 19
Joyce Tsepiso Khutlane
Metrics
H-Index
i10 Index
Citation Counts
3
2
34
Material Science
Inorganic chemistry
Computational chemistry and Analytical chemistry
Rankings
Ranking Based On Selection: 20
Funmilola Adenike Adesanya
Metrics
H-Index
i10 Index
Citation Counts
3
0
17
Nanomaterials
Electroanalytical Chemistry
Nanosensors
Rankings
Ranking Based On Selection: 21
Thrineshen Moodley
Metrics
H-Index
i10 Index
Citation Counts
2
2
79
Rankings
Ranking Based On Selection: 22
Yolindi Van Staden
Metrics
H-Index
i10 Index
Citation Counts
2
1
31
Rankings
Ranking Based On Selection: 23
Wilma Conradie
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 24
Seleke John Mokole
Metrics
H-Index
i10 Index
Citation Counts
2
0
7