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
Len Barbour
supramolecular chemistry
crystal engineering
materials chemistry
solid-state chemistry
porous materials
Metrics
H-Index
i10 Index
Citation
62
206
19,394
* Rankings
Ranking Based On Selection: 2
David L. Tabb
Proteomics
Bioinformatics
Mass Spectrometry
Metrics
H-Index
i10 Index
Citation
61
112
28,182
* Rankings
Ranking Based On Selection: 3
Bert Klumperman
radical polymerization
RAFT
ATRP
nanomedicine
drug delivery
Metrics
H-Index
i10 Index
Citation
55
159
11,845
* Rankings
Ranking Based On Selection: 5
Willem Van Otterlo
Organic synthesis
Medicinal chemistry
Bioactive small molecules
Metrics
H-Index
i10 Index
Citation
41
103
5,187
* Rankings
Ranking Based On Selection: 6
André De Villiers
chemistry
analytical chemistry
chromatography
mass spectrometry
Metrics
H-Index
i10 Index
Citation
40
82
5,206
* Rankings
Ranking Based On Selection: 7
Klaus R Koch
Platinum group metals chemistry. Multinuclear NMR
photochemistry of coordination compounds
Isotope effects in NMR
acylthioure
Metrics
H-Index
i10 Index
Citation
39
104
5,281
* Rankings
Ranking Based On Selection: 9
Vuyo Mavumengwana
Drug Discovery
Bioorganic Chemistry
Biotechnology
Bionanotechnology
Metrics
H-Index
i10 Index
Citation
28
39
3,087
* Rankings
Ranking Based On Selection: 10
Catharine Esterhuysen
Structural chemistry
computational chemistry
crystallography
Metrics
H-Index
i10 Index
Citation
23
44
1,819

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* Rankings
Ranking Based On Selection: 11
Catherine H Kaschula
Chemistry
Biological Chemistry
Organic Synthesis
Metrics
H-Index
i10 Index
Citation
19
26
2,552
* Rankings
Ranking Based On Selection: 12
Margaret Blackie
Medicinal Chemistry
Science Education
Ignatian spirituality
Metrics
H-Index
i10 Index
Citation
17
28
1,431
* Rankings
Ranking Based On Selection: 13
Prinessa Chellan
Chemistry
Bioinorganic
organometallic
catalysis
Metrics
H-Index
i10 Index
Citation
16
21
1,352
* Rankings
Ranking Based On Selection: 15
Renate Louw-Du Toit
Biochemistry
Molecular Biology
progestins
steroid receptors
gene expression
Metrics
H-Index
i10 Index
Citation
14
16
647
* Rankings
Ranking Based On Selection: 18
Nicolette Verhoog
molecular biochemistry
steroid receptors
biochemistry
signal transduction
Metrics
H-Index
i10 Index
Citation
12
12
804
* Rankings
Ranking Based On Selection: 22
Helen Pfukwa
Polymer Characterisation
green chemistry
polymer chemistry
Metrics
H-Index
i10 Index
Citation
8
7
186
* Rankings
Ranking Based On Selection: 24
Ripul Mehrotra
Medicinal applications of Coordination Chemistry
Pharmacophore identification
Metrics
H-Index
i10 Index
Citation
7
5
139
Lebogang Babedi
sulphide mineral chemistry
spectroscopy
mineral processing
surface chemistry
Metrics
H-Index
i10 Index
Citation
4
3
60
Wilhelm Heinrich Le Roux
Inorganic Chemistry
Nano chemistry
Catalysis
Polymer science
Metrics
H-Index
i10 Index
Citation
2
0
8
Rankings
Ranking Based On Selection: 1
Len Barbour
Metrics
H-Index
i10 Index
Citation Counts
62
206
19,394
supramolecular chemistry
crystal engineering
materials chemistry
solid-state chemistry
porous materials
Rankings
Ranking Based On Selection: 2
David L. Tabb
Metrics
H-Index
i10 Index
Citation Counts
61
112
28,182
Proteomics
Bioinformatics
Mass Spectrometry
Rankings
Ranking Based On Selection: 3
Bert Klumperman
Metrics
H-Index
i10 Index
Citation Counts
55
159
11,845
radical polymerization
RAFT
ATRP
nanomedicine
drug delivery
Rankings
Ranking Based On Selection: 4
Deresh Ramjugernath
Metrics
H-Index
i10 Index
Citation Counts
46
237
9,935
Rankings
Ranking Based On Selection: 5
Willem Van Otterlo
Metrics
H-Index
i10 Index
Citation Counts
41
103
5,187
Organic synthesis
Medicinal chemistry
Bioactive small molecules
Rankings
Ranking Based On Selection: 6
André De Villiers
Metrics
H-Index
i10 Index
Citation Counts
40
82
5,206
chemistry
analytical chemistry
chromatography
mass spectrometry
Rankings
Ranking Based On Selection: 7
Klaus R Koch
Metrics
H-Index
i10 Index
Citation Counts
39
104
5,281
Platinum group metals chemistry. Multinuclear NMR
photochemistry of coordination compounds
Isotope effects in NMR
acylthioure
Rankings
Ranking Based On Selection: 8
Selwyn Mapolie
Metrics
H-Index
i10 Index
Citation Counts
29
71
2,471
Rankings
Ranking Based On Selection: 9
Vuyo Mavumengwana
Metrics
H-Index
i10 Index
Citation Counts
28
39
3,087
Drug Discovery
Bioorganic Chemistry
Biotechnology
Bionanotechnology
Rankings
Ranking Based On Selection: 10
Catharine Esterhuysen
Metrics
H-Index
i10 Index
Citation Counts
23
44
1,819
Structural chemistry
computational chemistry
crystallography

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
Catherine H Kaschula
Metrics
H-Index
i10 Index
Citation Counts
19
26
2,552
Chemistry
Biological Chemistry
Organic Synthesis
Rankings
Ranking Based On Selection: 12
Margaret Blackie
Metrics
H-Index
i10 Index
Citation Counts
17
28
1,431
Medicinal Chemistry
Science Education
Ignatian spirituality
Rankings
Ranking Based On Selection: 13
Prinessa Chellan
Metrics
H-Index
i10 Index
Citation Counts
16
21
1,352
Chemistry
Bioinorganic
organometallic
catalysis
Rankings
Ranking Based On Selection: 14
Marianne De Villiers
Metrics
H-Index
i10 Index
Citation Counts
16
18
763
Rankings
Ranking Based On Selection: 15
Renate Louw-Du Toit
Metrics
H-Index
i10 Index
Citation Counts
14
16
647
Biochemistry
Molecular Biology
progestins
steroid receptors
gene expression
Rankings
Ranking Based On Selection: 16
Rueben Pfukwa
Metrics
H-Index
i10 Index
Citation Counts
14
18
530
Rankings
Ranking Based On Selection: 17
Gareth Arnott
Metrics
H-Index
i10 Index
Citation Counts
13
18
855
Rankings
Ranking Based On Selection: 18
Nicolette Verhoog
Metrics
H-Index
i10 Index
Citation Counts
12
12
804
molecular biochemistry
steroid receptors
biochemistry
signal transduction
Rankings
Ranking Based On Selection: 19
Rehana Malgas-Enus
Metrics
H-Index
i10 Index
Citation Counts
11
11
416
Rankings
Ranking Based On Selection: 20
Leigh Loots
Metrics
H-Index
i10 Index
Citation Counts
10
11
816
Rankings
Ranking Based On Selection: 21
Nonjabulo P. Gule NP Dlamini
Metrics
H-Index
i10 Index
Citation Counts
10
10
411
Rankings
Ranking Based On Selection: 22
Helen Pfukwa
Metrics
H-Index
i10 Index
Citation Counts
8
7
186
Polymer Characterisation
green chemistry
polymer chemistry
Rankings
Ranking Based On Selection: 23
Dewald P. Van Heerden
Metrics
H-Index
i10 Index
Citation Counts
7
6
207
supramolecular chemistry
computational chemistry
Rankings
Ranking Based On Selection: 24
Ripul Mehrotra
Metrics
H-Index
i10 Index
Citation Counts
7
5
139
Medicinal applications of Coordination Chemistry
Pharmacophore identification
Rankings
Ranking Based On Selection: 25
Waheed Saban
Metrics
H-Index
i10 Index
Citation Counts
5
3
153
Rankings
Ranking Based On Selection: 26
Lebogang Babedi
Metrics
H-Index
i10 Index
Citation Counts
4
3
60
sulphide mineral chemistry
spectroscopy
mineral processing
surface chemistry
Rankings
Ranking Based On Selection: 27
Wilhelm Heinrich Le Roux
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Inorganic Chemistry
Nano chemistry
Catalysis
Polymer science
Rankings
Ranking Based On Selection: 28
Xueting Wei
Metrics
H-Index
i10 Index
Citation Counts
1
0
3