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" (873,688 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
Yusef Waghid
African Philosophy
Philosophy of Education
Global Citizenship
Democratic Citizenship Education
Metrics
H-Index
i10 Index
Citation
36
142
5,690
* Rankings
Ranking Based On Selection: 2
Rika Preiser
social-ecological research
complex adaptive systems
philosophy
transformative change toward sustainable futures
Metrics
H-Index
i10 Index
Citation
24
34
3,572
* Rankings
Ranking Based On Selection: 7
Nico Koopman
Public Theology
Systematic Theology
Christian Ethics
Metrics
H-Index
i10 Index
Citation
18
36
1,096
* Rankings
Ranking Based On Selection: 8
Juliana Claassens
Old Testament
Gender and Sexuality
Feminist Interpretation
Trauma Studies
Metrics
H-Index
i10 Index
Citation
17
39
1,069
* Rankings
Ranking Based On Selection: 9
Dion Forster
Systematic Theology
Public Theology
Theological Ethics
Wesleyan Theology
Empirical Theology
Metrics
H-Index
i10 Index
Citation
16
24
857
* Rankings
Ranking Based On Selection: 10
Ian Liebenberg
Social Sciences
History
Political Sciences
War Histories
Metrics
H-Index
i10 Index
Citation
16
28
833

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* Rankings
Ranking Based On Selection: 11
Robert Vosloo
Reformed Theology
Church History
Bonhoeffer
Ricoeur
Metrics
H-Index
i10 Index
Citation
15
24
795
* Rankings
Ranking Based On Selection: 13
Johan C. Thom
Classics
Philosophy
New Testament
Early Christianity
Metrics
H-Index
i10 Index
Citation
13
21
887
* Rankings
Ranking Based On Selection: 16
Lize Van Robbroeck
Visual Studies
History of Art
critical theory
postcolonial studies
settler colonial studies
Metrics
H-Index
i10 Index
Citation
10
10
174
* Rankings
Ranking Based On Selection: 18
Hendrik Bosman
Old Testament Studies
Exodus
Migration
Decalogue
Theological-ethical interpretation
Metrics
H-Index
i10 Index
Citation
9
9
418
* Rankings
Ranking Based On Selection: 19
V Roodt
Political Philosophy
Moral Philosophy
Nietzsche
Hannah Arenndt
Metrics
H-Index
i10 Index
Citation
9
8
256
* Rankings
Ranking Based On Selection: 21
Reggie Nel
Youth Movements
Postcolonial Theology
Anti-Racism
Metrics
H-Index
i10 Index
Citation
8
4
128
* Rankings
Ranking Based On Selection: 22
Thembani Dube
African history
identities
belonging and minority groups
Metrics
H-Index
i10 Index
Citation
6
6
102
* Rankings
Ranking Based On Selection: 24
Rudolph Grobler Venter|RG Venter
Orthopaedics
limb reconstruction
chronic osteomyelitis
additive manufacturing
training
Metrics
H-Index
i10 Index
Citation
6
3
100
Phila M. Msimang
History and Philosophy of Science
Philosophy of Race
Social Science
Metrics
H-Index
i10 Index
Citation
5
1
76
Calvin D. Ullrich
political theology
postmodern theology
phenomenology
embodied cognition
affect theory
Metrics
H-Index
i10 Index
Citation
5
1
49
Simbarashe Pondani
Practical Theology
Community Development
Pentecostalism
Migration
Metrics
H-Index
i10 Index
Citation
2
2
39
D Allen Hutchison
inner-biblical allusion
intertextuality
Old Testament exegesis
Metrics
H-Index
i10 Index
Citation
2
1
13
Amy Rommelspacher
Women's History
Social History
Labour History
South Africa
Metrics
H-Index
i10 Index
Citation
2
0
11
Rankings
Ranking Based On Selection: 1
Yusef Waghid
Metrics
H-Index
i10 Index
Citation Counts
36
142
5,690
African Philosophy
Philosophy of Education
Global Citizenship
Democratic Citizenship Education
Rankings
Ranking Based On Selection: 2
Rika Preiser
Metrics
H-Index
i10 Index
Citation Counts
24
34
3,572
social-ecological research
complex adaptive systems
philosophy
transformative change toward sustainable futures
Rankings
Ranking Based On Selection: 3
Johan Cilliers
Metrics
H-Index
i10 Index
Citation Counts
20
54
1,796
Rankings
Ranking Based On Selection: 4
Jeremy Punt
Metrics
H-Index
i10 Index
Citation Counts
20
60
1,583
Rankings
Ranking Based On Selection: 5
Sandra Swart
Metrics
H-Index
i10 Index
Citation Counts
18
32
1,588
Rankings
Ranking Based On Selection: 6
Cas Wepener|Casparus J. Wepener, C.J. Wepener, Casparus Wepener
Metrics
H-Index
i10 Index
Citation Counts
18
50
1,381
Rankings
Ranking Based On Selection: 7
Nico Koopman
Metrics
H-Index
i10 Index
Citation Counts
18
36
1,096
Public Theology
Systematic Theology
Christian Ethics
Rankings
Ranking Based On Selection: 8
Juliana Claassens
Metrics
H-Index
i10 Index
Citation Counts
17
39
1,069
Old Testament
Gender and Sexuality
Feminist Interpretation
Trauma Studies
Rankings
Ranking Based On Selection: 9
Dion Forster
Metrics
H-Index
i10 Index
Citation Counts
16
24
857
Systematic Theology
Public Theology
Theological Ethics
Wesleyan Theology
Empirical Theology
Rankings
Ranking Based On Selection: 10
Ian Liebenberg
Metrics
H-Index
i10 Index
Citation Counts
16
28
833
Social Sciences
History
Political Sciences
War Histories

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
Robert Vosloo
Metrics
H-Index
i10 Index
Citation Counts
15
24
795
Reformed Theology
Church History
Bonhoeffer
Ricoeur
Rankings
Ranking Based On Selection: 12
Louise Du Toit
Metrics
H-Index
i10 Index
Citation Counts
14
18
742
Rankings
Ranking Based On Selection: 13
Johan C. Thom
Metrics
H-Index
i10 Index
Citation Counts
13
21
887
Classics
Philosophy
New Testament
Early Christianity
Rankings
Ranking Based On Selection: 14
Nadine Bowers Du Toit
Metrics
H-Index
i10 Index
Citation Counts
13
19
492
Rankings
Ranking Based On Selection: 15
Wessel Visser
Metrics
H-Index
i10 Index
Citation Counts
13
18
663
Rankings
Ranking Based On Selection: 16
Lize Van Robbroeck
Metrics
H-Index
i10 Index
Citation Counts
10
10
174
Visual Studies
History of Art
critical theory
postcolonial studies
settler colonial studies
Rankings
Ranking Based On Selection: 17
Francois Johannes Cleophas
Metrics
H-Index
i10 Index
Citation Counts
9
9
343
Rankings
Ranking Based On Selection: 18
Hendrik Bosman
Metrics
H-Index
i10 Index
Citation Counts
9
9
418
Old Testament Studies
Exodus
Migration
Decalogue
Theological-ethical interpretation
Rankings
Ranking Based On Selection: 19
V Roodt
Metrics
H-Index
i10 Index
Citation Counts
9
8
256
Political Philosophy
Moral Philosophy
Nietzsche
Hannah Arenndt
Rankings
Ranking Based On Selection: 20
Retief Muller|Retief Muller
Metrics
H-Index
i10 Index
Citation Counts
8
5
230
Rankings
Ranking Based On Selection: 21
Reggie Nel
Metrics
H-Index
i10 Index
Citation Counts
8
4
128
Youth Movements
Postcolonial Theology
Anti-Racism
Rankings
Ranking Based On Selection: 22
Thembani Dube
Metrics
H-Index
i10 Index
Citation Counts
6
6
102
African history
identities
belonging and minority groups
Rankings
Ranking Based On Selection: 23
Shantelle Weber
Metrics
H-Index
i10 Index
Citation Counts
6
5
133
Rankings
Ranking Based On Selection: 24
Rudolph Grobler Venter|RG Venter
Metrics
H-Index
i10 Index
Citation Counts
6
3
100
Orthopaedics
limb reconstruction
chronic osteomyelitis
additive manufacturing
training
Rankings
Ranking Based On Selection: 25
Marius J. Nel
Metrics
H-Index
i10 Index
Citation Counts
6
2
103
Rankings
Ranking Based On Selection: 26
Phila M. Msimang
Metrics
H-Index
i10 Index
Citation Counts
5
1
76
History and Philosophy of Science
Philosophy of Race
Social Science
Rankings
Ranking Based On Selection: 27
Calvin D. Ullrich
Metrics
H-Index
i10 Index
Citation Counts
5
1
49
political theology
postmodern theology
phenomenology
embodied cognition
affect theory
Rankings
Ranking Based On Selection: 28
Henry Mbaya
Metrics
H-Index
i10 Index
Citation Counts
5
4
118
Rankings
Ranking Based On Selection: 29
Edward Kerby
Metrics
H-Index
i10 Index
Citation Counts
5
3
427
Rankings
Ranking Based On Selection: 30
Andries Fokkens
Metrics
H-Index
i10 Index
Citation Counts
4
2
43
Rankings
Ranking Based On Selection: 31
Jaco Louw
Metrics
H-Index
i10 Index
Citation Counts
3
0
9
Rankings
Ranking Based On Selection: 32
Anri Delport
Metrics
H-Index
i10 Index
Citation Counts
3
0
16
Medical Military History
War and Society
Veterans
Rankings
Ranking Based On Selection: 33
Simbarashe Pondani
Metrics
H-Index
i10 Index
Citation Counts
2
2
39
Practical Theology
Community Development
Pentecostalism
Migration
Rankings
Ranking Based On Selection: 34
D Allen Hutchison
Metrics
H-Index
i10 Index
Citation Counts
2
1
13
inner-biblical allusion
intertextuality
Old Testament exegesis
Rankings
Ranking Based On Selection: 35
Amy Rommelspacher
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Women's History
Social History
Labour History
South Africa
Rankings
Ranking Based On Selection: 36
Zaynab Shaik
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 37
Helgard Pretorius
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 38
Sarel Slabbert
Metrics
H-Index
i10 Index
Citation Counts
1
0
2