University, Subject, Country, Region, World

University of the Witwatersrand 1.808 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jan 30, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H IndexRankings
Ranking Based On Selection: 1
Bruce Mellado
Particle Physics
Metrics
H-Index
i10 Index
Citation Counts
168
793
137,934
* Total H IndexRankings
Ranking Based On Selection: 2
Zeblon Vilakazi
High Energy physics
Grid Computing
Metrics
H-Index
i10 Index
Citation Counts
131
385
77,287
* Total H IndexRankings
Ranking Based On Selection: 3
Joyful Mdhluli
High Energy Physics
Metrics
H-Index
i10 Index
Citation Counts
128
462
56,213
* Total H IndexRankings
Ranking Based On Selection: 4
Shabir A. Madhi
First interest
Second interest
Vaccinology
Respiratory pathogens
Metrics
H-Index
i10 Index
Citation Counts
115
555
66,881
* Total H IndexRankings
Ranking Based On Selection: 5
Robert J Scholes
carbon cycle
savannas
earth observation
biodiversity
Metrics
H-Index
i10 Index
Citation Counts
112
322
188,281
* Total H IndexRankings
Ranking Based On Selection: 6
Nukri Komin
gamma-ray astronomy
Cosmic Rays
Metrics
H-Index
i10 Index
Citation Counts
95
227
47,476
* Total H IndexRankings
Ranking Based On Selection: 7
Linda Richter
child development
adolescent development
HIV
AIDS
public health
Metrics
H-Index
i10 Index
Citation Counts
90
346
44,931
* Total H IndexRankings
Ranking Based On Selection: 8
Sergio Colafrancesco
Astrophysics
Cosmology
Astro-Particle Physics
Metrics
H-Index
i10 Index
Citation Counts
85
303
64,170
* Total H IndexRankings
Ranking Based On Selection: 10
Achille Mbembe
African politics
history
colonialism
race
enlightenment
Metrics
H-Index
i10 Index
Citation Counts
79
285
68,083

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* Total H IndexRankings
Ranking Based On Selection: 12
Andrew Forbes
laser resonators
laser beam shaping
orbital angular momentum
structured light
Metrics
H-Index
i10 Index
Citation Counts
77
249
21,622
* Total H IndexRankings
Ranking Based On Selection: 13
Charles Feldman
community-acquired pneumonia
pneumococcus
respiratory tract infections
virulence factors
human ciliated epithelium
Metrics
H-Index
i10 Index
Citation Counts
74
272
19,403
* Total H IndexRankings
Ranking Based On Selection: 17
Ian Sanne
Infectious Diseases
HIV
Tuberculosis
Health Economics
Metrics
H-Index
i10 Index
Citation Counts
71
219
25,702
* Total H IndexRankings
Ranking Based On Selection: 19
Fiona Baker
sleep
thermoregulation
brain
alcohol
Metrics
H-Index
i10 Index
Citation Counts
68
174
17,027
* Total H IndexRankings
Ranking Based On Selection: 20
Viness Pillay
Biomaterials
Advanced Drug Delivery
Atomistic Simulations
Implant
Neurotherapeutics
Metrics
H-Index
i10 Index
Citation Counts
67
256
17,226
* Total H IndexRankings
Ranking Based On Selection: 21
Kenneth Ikechukwu Ozoemena
Electrochemistry
Batteries
Fuel Cells
Electrolyzers
Sensors
Metrics
H-Index
i10 Index
Citation Counts
64
222
12,073
* Total H IndexRankings
Ranking Based On Selection: 22
David Dorrell
electric machines
motors
renewable energy
power systems
Metrics
H-Index
i10 Index
Citation Counts
63
235
16,631
* Total H IndexRankings
Ranking Based On Selection: 23
Roger MH Smith
sedimentology
vertebrate palaeontology
Metrics
H-Index
i10 Index
Citation Counts
63
162
13,159
* Total H IndexRankings
Ranking Based On Selection: 24
ETF Witkowski
Plant ecology
plant ecophysiology
conservation biology
invasion biology
ethnoecology
Metrics
H-Index
i10 Index
Citation Counts
62
212
13,548
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Bruce Mellado
Metrics
H-Index
i10-Index
Citation Counts
168
793
137,934
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Zeblon Vilakazi
Metrics
H-Index
i10-Index
Citation Counts
131
385
77,287
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Joyful Mdhluli
Metrics
H-Index
i10-Index
Citation Counts
128
462
56,213
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Shabir A. Madhi
Metrics
H-Index
i10-Index
Citation Counts
115
555
66,881
First interest
Second interest
Vaccinology
Respiratory pathogens
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Robert J Scholes
Metrics
H-Index
i10-Index
Citation Counts
112
322
188,281
carbon cycle
savannas
earth observation
biodiversity
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Nukri Komin
Metrics
H-Index
i10-Index
Citation Counts
95
227
47,476
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Linda Richter
Metrics
H-Index
i10-Index
Citation Counts
90
346
44,931
child development
adolescent development
HIV
AIDS
public health
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Sergio Colafrancesco
Metrics
H-Index
i10-Index
Citation Counts
85
303
64,170
Astrophysics
Cosmology
Astro-Particle Physics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Tasnuva Chowdhury
Metrics
H-Index
i10-Index
Citation Counts
81
283
21,347
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Achille Mbembe
Metrics
H-Index
i10-Index
Citation Counts
79
285
68,083
African politics
history
colonialism
race
enlightenment

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! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Andrew Chen
Metrics
H-Index
i10-Index
Citation Counts
78
265
35,960
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Andrew Forbes
Metrics
H-Index
i10-Index
Citation Counts
77
249
21,622
laser resonators
laser beam shaping
orbital angular momentum
structured light
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Charles Feldman
Metrics
H-Index
i10-Index
Citation Counts
74
272
19,403
community-acquired pneumonia
pneumococcus
respiratory tract infections
virulence factors
human ciliated epithelium
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Wendy Stevens|Stevens Wendy S, Stevens W, StevensW.S.
Metrics
H-Index
i10-Index
Citation Counts
73
233
24,767
HIV TB COVID HAEMATOLOFY
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Maureen Coetzee
Metrics
H-Index
i10-Index
Citation Counts
72
186
20,716
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Norman Owen-Smith
Metrics
H-Index
i10-Index
Citation Counts
71
194
20,626
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Ian Sanne
Metrics
H-Index
i10-Index
Citation Counts
71
219
25,702
Infectious Diseases
HIV
Tuberculosis
Health Economics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Michel Verstraete
Metrics
H-Index
i10-Index
Citation Counts
69
133
17,856
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Fiona Baker
Metrics
H-Index
i10-Index
Citation Counts
68
174
17,027
sleep
thermoregulation
brain
alcohol
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Viness Pillay
Metrics
H-Index
i10-Index
Citation Counts
67
256
17,226
Biomaterials
Advanced Drug Delivery
Atomistic Simulations
Implant
Neurotherapeutics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Kenneth Ikechukwu Ozoemena
Metrics
H-Index
i10-Index
Citation Counts
64
222
12,073
Electrochemistry
Batteries
Fuel Cells
Electrolyzers
Sensors
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
David Dorrell
Metrics
H-Index
i10-Index
Citation Counts
63
235
16,631
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Roger MH Smith
Metrics
H-Index
i10-Index
Citation Counts
63
162
13,159
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
ETF Witkowski
Metrics
H-Index
i10-Index
Citation Counts
62
212
13,548
Plant ecology
plant ecophysiology
conservation biology
invasion biology
ethnoecology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Bao-Zhu Guo
Metrics
H-Index
i10-Index
Citation Counts
61
215
14,175