Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 103 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Microbiology
Environmental Biotechnology
Food Microbiology
Fermentatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,397
1,483
0.337
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,051
1,314
0.641
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Bioassay Development
Drug Discovery
Cancer Research
Product Development
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,970
1,103
0.560
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Meteorology
Climatology
Climate Change
Disaster Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,910
1,076
0.563
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Disaster risk reduction
Vulnerability analyses
Resilience analyses
Systems analysesInstitutiona
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,604
1,309
0.816
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Agricultural Extension
organic farming
animal nutrition and rural developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,397
628
0.450
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Solar Energy Materials
Materials Science
Nanotechnology
Optoelectronics
Semiconductor Material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,220
991
0.812
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Mathematics
Curriculum and Instruction
Educationa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,064
895
0.841
* Total Citation Counts Rankings
Ranking Based On Selection: 9
analytical chemistry and environmental chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
963
413
0.429
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Adsorption of toxic and precious metals
Plasma Spectrochemistry
Drug Discover
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
930
444
0.477
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Agricultural water management and land reclamation and remediatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
922
582
0.631
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Fungal taxonomy and systematics
phylogenetics
molecular characterizatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
874
286
0.327
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Diseases modelling
Ecological modelling
Disaster epidemiology
Risk and vulnerability & resilience modellin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
794
670
0.844
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Health Economics
Development Economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
770
208
0.270
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Plant Disease Epidemiology and Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
766
411
0.537
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Forest Pathology
Forestry
Agroforestr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
673
447
0.664
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Natural product chemistry
environmental chemistry
Bindura University of Science Educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
615
373
0.607
* Total Citation Counts Rankings
Ranking Based On Selection: 18
pedagogical issues in mathematics
ethnomathematics pedagog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
543
460
0.847
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Occupational and Environmental healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
525
438
0.834
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Supply Chain Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
513
458
0.893
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Occupational and environmental healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
494
427
0.864
* Total Citation Counts Rankings
Ranking Based On Selection: 22
onomastics
Chimurenga narrative
Sungura music
Communication Studie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
467
276
0.591
* Total Citation Counts Rankings
Ranking Based On Selection: 23
gender studies
local governance
community developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
448
325
0.725
* Total Citation Counts Rankings
Ranking Based On Selection: 24
STEM/STEAM/STREAM Education
Indigenoius Knowkedge and School Science
Qualitatve Researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
424
307
0.724
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Science Teacher Education
STEM/STEAM Education
Chemistry Classroom Practices
Indigenous knowledge systems and school scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
407
286
0.703
* Total Citation Counts Rankings
Rankings
245,498
9
1
Ranking Based On Selection: 1
Wilson Parawira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,397
1,483
0.337
Microbiology
Environmental Biotechnology
Food Microbiology
Fermentatio
* Total Citation Counts Rankings
Rankings
455,617
32
2
Ranking Based On Selection: 2
George Nyamadzawo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,051
1,314
0.641
* Total Citation Counts Rankings
Rankings
468,767
33
3
Ranking Based On Selection: 3
Walter Chingwaru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,970
1,103
0.560
Bioassay Development
Drug Discovery
Cancer Research
Product Development
Microbiolog
* Total Citation Counts Rankings
Rankings
478,982
36
4
Ranking Based On Selection: 4
Manatsa Desmond
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,910
1,076
0.563
Meteorology
Climatology
Climate Change
Disaster Managemen
* Total Citation Counts Rankings
Rankings
537,663
44
5
Ranking Based On Selection: 5
Emmanuel Mavhura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,604
1,309
0.816
Disaster risk reduction
Vulnerability analyses
Resilience analyses
Systems analysesInstitutiona
* Total Citation Counts Rankings
Rankings
585,815
47
6
Ranking Based On Selection: 6
Christopher Gadzirayi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,397
628
0.450
Agricultural Extension
organic farming
animal nutrition and rural developmen
* Total Citation Counts Rankings
Rankings
633,897
52
7
Ranking Based On Selection: 7
Edigar Muchuweni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,220
991
0.812
Solar Energy Materials
Materials Science
Nanotechnology
Optoelectronics
Semiconductor Material
* Total Citation Counts Rankings
Rankings
682,932
57
8
Ranking Based On Selection: 8
Norman Rudhumbu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,064
895
0.841
Mathematics
Curriculum and Instruction
Educationa
* Total Citation Counts Rankings
Rankings
719,373
75
9
Ranking Based On Selection: 9
Mathewmupa Mathew Mupa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
963
413
0.429
analytical chemistry and environmental chemistr
* Total Citation Counts Rankings
Rankings
731,795
78
10
Ranking Based On Selection: 10
Courtie Mahamadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
930
444
0.477
Adsorption of toxic and precious metals
Plasma Spectrochemistry
Drug Discover
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
734,867
81
11
Ranking Based On Selection: 11
IW Nyakudya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
922
582
0.631
Agricultural water management and land reclamation and remediatio
* Total Citation Counts Rankings
Rankings
754,152
84
12
Ranking Based On Selection: 12
Eddie Mwenje
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
874
286
0.327
Fungal taxonomy and systematics
phylogenetics
molecular characterizatio
* Total Citation Counts Rankings
Rankings
787,648
95
13
Ranking Based On Selection: 13
Tawanda Manyangadze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
794
670
0.844
Diseases modelling
Ecological modelling
Disaster epidemiology
Risk and vulnerability & resilience modellin
* Total Citation Counts Rankings
Rankings
798,835
96
14
Ranking Based On Selection: 14
Lazarus Muchabaiwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
770
208
0.270
Health Economics
Development Economic
* Total Citation Counts Rankings
Rankings
800,434
98
15
Ranking Based On Selection: 15
Charles Karavina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
766
411
0.537
Plant Disease Epidemiology and Managemen
* Total Citation Counts Rankings
Rankings
845,450
116
16
Ranking Based On Selection: 16
Luke Jimu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
673
447
0.664
Forest Pathology
Forestry
Agroforestr
* Total Citation Counts Rankings
Rankings
876,944
136
17
Ranking Based On Selection: 17
Pamhidzai Dzomba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
615
373
0.607
Natural product chemistry
environmental chemistry
Bindura University of Science Educatio
* Total Citation Counts Rankings
Rankings
923,636
149
18
Ranking Based On Selection: 18
Gladys Sunzuma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
543
460
0.847
pedagogical issues in mathematics
ethnomathematics pedagog
* Total Citation Counts Rankings
Rankings
937,541
153
19
Ranking Based On Selection: 19
Artwell Kanda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
525
438
0.834
* Total Citation Counts Rankings
Rankings
947,290
159
20
Ranking Based On Selection: 20
Felix Chari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
513
458
0.893
* Total Citation Counts Rankings
Rankings
963,195
166
21
Ranking Based On Selection: 21
France Ncube
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
494
427
0.864
Occupational and environmental healt
* Total Citation Counts Rankings
Rankings
987,134
174
22
Ranking Based On Selection: 22
charles Pfukwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
467
276
0.591
onomastics
Chimurenga narrative
Sungura music
Communication Studie
* Total Citation Counts Rankings
Rankings
1,004,209
181
23
Ranking Based On Selection: 23
Jeffrey Kurebwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
448
325
0.725
* Total Citation Counts Rankings
Rankings
1,027,085
193
24
Ranking Based On Selection: 24
Vmpofu Vmpofu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
424
307
0.724
STEM/STEAM/STREAM Education
Indigenoius Knowkedge and School Science
Qualitatve Researc
* Total Citation Counts Rankings
Rankings
1,044,204
200
25
Ranking Based On Selection: 25
Vongai Mpofu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
407
286
0.703
Science Teacher Education
STEM/STEAM Education
Chemistry Classroom Practices
Indigenous knowledge systems and school scienc