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H-Index
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South Africa Scientists H-Index Natural Sciences / Physics Rankings in South Africa 2025

AD Scientific Index evaluates the academic productivity and efficiency of scientists and institutions based on the H-index, i10 index, and citation counts. In addition to total H-index rankings, you can also explore rankings and analyses by "Scientists Last 6 Years H-index" and by subject.

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Total 317 scientist
* Total H Index Rankings
World Rank
243
Country Rank
1
Institution Rank :1
Ranking Based On Selection :1
South Africa
Sahal Yacoob
Sahal Yacoob
University of Cape Town
Cape Town , South Africa
Natural Sciences / Physics
High Energy Particle Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
233
160
0.687
See All Rankings and Analysis
* Total H Index Rankings
World Rank
762
Country Rank
3
Institution Rank :1
Ranking Based On Selection :2
South Africa
Loan Truong
Loan Truong
University of Johannesburg
Johannesburg , South Africa
Natural Sciences / Physics
HEP
LHC
ATLAS
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
189
153
0.810
See All Rankings and Analysis
* Total H Index Rankings
World Rank
1,216
Country Rank
4
Institution Rank :1
Ranking Based On Selection :3
South Africa
Bruce Mellado
Bruce Mellado
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
Particle Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
165
119
0.721
See All Rankings and Analysis
* Total H Index Rankings
World Rank
2,341
Country Rank
7
Institution Rank :3
Ranking Based On Selection :4
South Africa
Jean Cleymans
Jean Cleymans
University of Cape Town
Cape Town , South Africa
Natural Sciences / Physics
Physics
Thermal Models
particle Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
140
109
0.779
See All Rankings and Analysis
* Total H Index Rankings
World Rank
2,825
Country Rank
8
Institution Rank :2
Ranking Based On Selection :5
South Africa
Simon Connell
Simon Connell
University of Johannesburg
Johannesburg , South Africa
Natural Sciences / Physics
Nuclear Physics
Particle Physics
Diamond Physics
Quantum Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
134
99
0.739
See All Rankings and Analysis
* Total H Index Rankings
World Rank
3,177
Country Rank
9
Institution Rank :2
Ranking Based On Selection :6
South Africa
Zeblon Vilakazi
Zeblon Vilakazi
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
High Energy physics
Grid Computing
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
130
108
0.831
See All Rankings and Analysis
* Total H Index Rankings
World Rank
3,724
Country Rank
11
Institution Rank :3
Ranking Based On Selection :7
South Africa
Joyful Mdhluli
Joyful Mdhluli
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
High Energy Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
125
121
0.968
See All Rankings and Analysis
* Total H Index Rankings
World Rank
10,942
Country Rank
26
Institution Rank :6
Ranking Based On Selection :8
South Africa
Nukri Komin
Nukri Komin
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
gamma-ray astronomy
Cosmic Rays
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
95
57
0.600
See All Rankings and Analysis
* Total H Index Rankings
World Rank
11,907
Country Rank
28
Institution Rank :1
Ranking Based On Selection :9
South Africa
Roy Maartens
Roy Maartens
University of the Western Cape
Bellville , South Africa
Natural Sciences / Physics
Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
93
49
0.527
See All Rankings and Analysis
* Total H Index Rankings
World Rank
14,211
Country Rank
37
Institution Rank :3
Ranking Based On Selection :10
South Africa
Soebur Razzaque
Soebur Razzaque
University of Johannesburg
Johannesburg , South Africa
Natural Sciences / Physics
Astroparticle Physics
High Energy Astrophysics
Gamma-ray Astronomy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
88
63
0.716
See All Rankings and Analysis
* Total H Index Rankings
World Rank
15,640
Country Rank
46
Institution Rank :17
Ranking Based On Selection :11
South Africa
Mattia Vaccari
Mattia Vaccari
University of Cape Town
Cape Town , South Africa
Natural Sciences / Physics
Astrophysics
Observational Optical/Infrared/Radio Galaxy Evolution
Cloud Computing
Machine Learning
Statistics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
86
51
0.593
See All Rankings and Analysis
* Total H Index Rankings
World Rank
16,896
Country Rank
50
Institution Rank :8
Ranking Based On Selection :12
South Africa
Sergio Colafrancesco
Sergio Colafrancesco
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
Astrophysics
Cosmology
Astro-Particle Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
84
56
0.667
See All Rankings and Analysis
* Total H Index Rankings
World Rank
19,645
Country Rank
63
Institution Rank :9
Ranking Based On Selection :13
South Africa
Tasnuva Chowdhury
Tasnuva Chowdhury
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
Particle Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
80
78
0.975
See All Rankings and Analysis
* Total H Index Rankings
World Rank
22,482
Country Rank
71
Institution Rank :11
Ranking Based On Selection :14
South Africa
Andrew Chen
Andrew Chen
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
Astrophysics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
77
60
0.779
See All Rankings and Analysis
* Total H Index Rankings
World Rank
27,942
Country Rank
81
Institution Rank :1
Ranking Based On Selection :15
South Africa
HC Swart
HC Swart
University of the Free State
Bloemfontein , South Africa
Natural Sciences / Physics
nanophosphors
luminescence
cathodoluminescence
surface characterization
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
72
57
0.792
See All Rankings and Analysis
* Total H Index Rankings
World Rank
38,241
Country Rank
117
Institution Rank :4
Ranking Based On Selection :16
South Africa
Lerothodi L. Leeuw
Lerothodi L. Leeuw
University of the Western Cape
Bellville , South Africa
Natural Sciences / Physics
Astrophysics and Astro-particle Physics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
65
53
0.815
See All Rankings and Analysis
* Total H Index Rankings
World Rank
59,347
Country Rank
191
Institution Rank :17
Ranking Based On Selection :17
South Africa
SD Maharaj
SD Maharaj
University of Kwazulu Natal
Durban , South Africa
Natural Sciences / Physics
General relativity
Relativistic astrophysics
Cosmology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
56
42
0.750
See All Rankings and Analysis
* Total H Index Rankings
World Rank
65,355
Country Rank
213
Institution Rank :20
Ranking Based On Selection :18
South Africa
Francesco Petruccione
Francesco Petruccione
University of Kwazulu Natal
Durban , South Africa
Natural Sciences / Physics
Open quantum systems
quantum information processing and communication
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
54
42
0.778
See All Rankings and Analysis
* Total H Index Rankings
World Rank
68,569
Country Rank
227
Institution Rank :7
Ranking Based On Selection :19
South Africa
Mario G. Santos
Mario G. Santos
University of the Western Cape
Bellville , South Africa
Natural Sciences / Physics
Cosmology
Radio telescopes
SKA
MeerKAT
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
53
43
0.811
See All Rankings and Analysis
* Total H Index Rankings
World Rank
75,960
Country Rank
269
Institution Rank :4
Ranking Based On Selection :20
South Africa
Petrus Johannes Meintjes
Petrus Johannes Meintjes
University of the Free State
Bloemfontein , South Africa
Natural Sciences / Physics
Physics
Astrophysics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
See All Rankings and Analysis
* Total H Index Rankings
World Rank
85,368
Country Rank
311
Institution Rank :39
Ranking Based On Selection :21
South Africa
Martin Ntwaeaborwa
Martin Ntwaeaborwa
University of the Witwatersrand
Johannesburg , South Africa
Natural Sciences / Physics
Phosphors
Materials Science
Solid State Physics
Solar Cells
Chemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
34
0.694
See All Rankings and Analysis
* Total H Index Rankings
World Rank
88,347
Country Rank
323
Institution Rank :18
Ranking Based On Selection :22
South Africa
Tien-Chien Jen
Tien-Chien Jen
University of Johannesburg
Johannesburg , South Africa
Natural Sciences / Physics
thermal science
additive manufacturing
Atomic Layer Deposition
Cold Gas Dynamic Spraying
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
41
0.854
See All Rankings and Analysis
* Total H Index Rankings
World Rank
104,335
Country Rank
400
Institution Rank :13
Ranking Based On Selection :23
South Africa
Paulus Kruger
Paulus Kruger
North West University
Potchefstroom , South Africa
Natural Sciences / Physics
Low Noise Amplifiers
Gamma-ray astrophysics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
45
35
0.778
See All Rankings and Analysis
* Total H Index Rankings
World Rank
114,554
Country Rank
449
Institution Rank :3
Ranking Based On Selection :24
South Africa
Rosalind E Skelton
Rosalind E Skelton
South African Astronomical Observatory
Cape Town , South Africa
Natural Sciences / Physics
Galaxy formation and evolution
astronomy
astrophysics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
39
0.907
See All Rankings and Analysis
* Total H Index Rankings
World Rank
118,806
Country Rank
463
Institution Rank :116
Ranking Based On Selection :25
South Africa
Peter Dunsby
Peter Dunsby
University of Cape Town
Cape Town , South Africa
Natural Sciences / Physics
Cosmology
Gravitation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
25
0.581
See All Rankings and Analysis
* Total H Index Rankings
Rankings
243
South Africa
1
1
Ranking Based On Selection: 1
Sahal Yacoob
Sahal Yacoob
University of Cape Town Cape Town, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
233
160
0.687
Natural Sciences / Physics
High Energy Particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
762
South Africa
3
1
Ranking Based On Selection: 2
Loan Truong
Loan Truong
University of Johannesburg Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
189
153
0.810
Natural Sciences / Physics
HEP
LHC
ATLAS
See All Rankings and Analysis
* Total H Index Rankings
Rankings
1,216
South Africa
4
1
Ranking Based On Selection: 3
Bruce Mellado
Bruce Mellado
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
165
119
0.721
Natural Sciences / Physics
Particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
2,341
South Africa
7
3
Ranking Based On Selection: 4
Jean Cleymans
Jean Cleymans
University of Cape Town Cape Town, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
140
109
0.779
Natural Sciences / Physics
Physics
Thermal Models
particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
2,825
South Africa
8
2
Ranking Based On Selection: 5
Simon Connell
Simon Connell
University of Johannesburg Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
134
99
0.739
Natural Sciences / Physics
Nuclear Physics
Particle Physics
Diamond Physics
Quantum Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
3,177
South Africa
9
2
Ranking Based On Selection: 6
Zeblon Vilakazi
Zeblon Vilakazi
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
130
108
0.831
Natural Sciences / Physics
High Energy physics
Grid Computing
See All Rankings and Analysis
* Total H Index Rankings
Rankings
3,724
South Africa
11
3
Ranking Based On Selection: 7
Joyful Mdhluli
Joyful Mdhluli
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
125
121
0.968
Natural Sciences / Physics
High Energy Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
10,942
South Africa
26
6
Ranking Based On Selection: 8
Nukri Komin
Nukri Komin
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
95
57
0.600
Natural Sciences / Physics
gamma-ray astronomy
Cosmic Rays
See All Rankings and Analysis
* Total H Index Rankings
Rankings
11,907
South Africa
28
1
Ranking Based On Selection: 9
Roy Maartens
Roy Maartens
University of the Western Cape Bellville, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
93
49
0.527
Natural Sciences / Physics
Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
14,211
South Africa
37
3
Ranking Based On Selection: 10
Soebur Razzaque
Soebur Razzaque
University of Johannesburg Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
88
63
0.716
Natural Sciences / Physics
Astroparticle Physics
High Energy Astrophysics
Gamma-ray Astronomy
See All Rankings and Analysis
* Total H Index Rankings
Rankings
15,640
South Africa
46
17
Ranking Based On Selection: 11
Mattia Vaccari
Mattia Vaccari
University of Cape Town Cape Town, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
86
51
0.593
Natural Sciences / Physics
Astrophysics
Observational Optical/Infrared/Radio Galaxy Evolution
Cloud Computing
Machine Learning
Statistics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
16,896
South Africa
50
8
Ranking Based On Selection: 12
Sergio Colafrancesco
Sergio Colafrancesco
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
84
56
0.667
Natural Sciences / Physics
Astrophysics
Cosmology
Astro-Particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
19,645
South Africa
63
9
Ranking Based On Selection: 13
Tasnuva Chowdhury
Tasnuva Chowdhury
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
80
78
0.975
Natural Sciences / Physics
Particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
22,482
South Africa
71
11
Ranking Based On Selection: 14
Andrew Chen
Andrew Chen
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
77
60
0.779
Natural Sciences / Physics
Astrophysics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
27,942
South Africa
81
1
Ranking Based On Selection: 15
HC Swart
HC Swart
University of the Free State Bloemfontein, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
72
57
0.792
Natural Sciences / Physics
nanophosphors
luminescence
cathodoluminescence
surface characterization
See All Rankings and Analysis
* Total H Index Rankings
Rankings
38,241
South Africa
117
4
Ranking Based On Selection: 16
Lerothodi L. Leeuw
Lerothodi L. Leeuw
University of the Western Cape Bellville, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
65
53
0.815
Natural Sciences / Physics
Astrophysics and Astro-particle Physics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
59,347
South Africa
191
17
Ranking Based On Selection: 17
SD Maharaj
SD Maharaj
University of Kwazulu Natal Durban, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
56
42
0.750
Natural Sciences / Physics
General relativity
Relativistic astrophysics
Cosmology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
65,355
South Africa
213
20
Ranking Based On Selection: 18
Francesco Petruccione
Francesco Petruccione
University of Kwazulu Natal Durban, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
54
42
0.778
Natural Sciences / Physics
Open quantum systems
quantum information processing and communication
See All Rankings and Analysis
* Total H Index Rankings
Rankings
68,569
South Africa
227
7
Ranking Based On Selection: 19
Mario G. Santos
Mario G. Santos
University of the Western Cape Bellville, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
53
43
0.811
Natural Sciences / Physics
Cosmology
Radio telescopes
SKA
MeerKAT
See All Rankings and Analysis
* Total H Index Rankings
Rankings
75,960
South Africa
269
4
Ranking Based On Selection: 20
Petrus Johannes Meintjes
Petrus Johannes Meintjes
University of the Free State Bloemfontein, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
Natural Sciences / Physics
Physics
Astrophysics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
85,368
South Africa
311
39
Ranking Based On Selection: 21
Martin Ntwaeaborwa
Martin Ntwaeaborwa
University of the Witwatersrand Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
34
0.694
Natural Sciences / Physics
Phosphors
Materials Science
Solid State Physics
Solar Cells
Chemistry
See All Rankings and Analysis
* Total H Index Rankings
Rankings
88,347
South Africa
323
18
Ranking Based On Selection: 22
Tien-Chien Jen
Tien-Chien Jen
University of Johannesburg Johannesburg, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
41
0.854
Natural Sciences / Physics
thermal science
additive manufacturing
Atomic Layer Deposition
Cold Gas Dynamic Spraying
See All Rankings and Analysis
* Total H Index Rankings
Rankings
104,335
South Africa
400
13
Ranking Based On Selection: 23
Paulus Kruger
Paulus Kruger
North West University Potchefstroom, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
45
35
0.778
Natural Sciences / Physics
Low Noise Amplifiers
Gamma-ray astrophysics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
114,554
South Africa
449
3
Ranking Based On Selection: 24
Rosalind E Skelton
Rosalind E Skelton
South African Astronomical Observatory Cape Town, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
39
0.907
Natural Sciences / Physics
Galaxy formation and evolution
astronomy
astrophysics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
118,806
South Africa
463
116
Ranking Based On Selection: 25
Peter Dunsby
Peter Dunsby
University of Cape Town Cape Town, South Africa South Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
25
0.581
Natural Sciences / Physics
Cosmology
Gravitation
See All Rankings and Analysis