Citation Rankings
Highly Cited Researchers
Others Highly Cited Researchers 130 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
mycology
fungi
mycetom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,278
3,114
0.428
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Vaccines for Visceral Leishmaniasis
Latent TB infections
Immunochemotherapy for Chronic HB
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,037
2,008
0.285
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Machinery Design
Off-Road Vehicle
Bio-instrumentation
Bio-Energ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
834
340
0.408
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Global surgery
Quality of health services
Health Equity and Promotio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
547
485
0.887
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
294
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Plastic Surgery
Craniofacial Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
285
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Feed Evaluation
Improvement of nutritive of crop reidues
using of multi-purpose tree as animal feeds
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
284
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Food safety
Environmental microbiology
Bacteriology
Environmental Health
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
274
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Pharmaceutical technology
quality control
Analysis.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
273
0
0.000
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Animal Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
271
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Necropsy
Anatomic Pathology
Histopathology
Diagnostic Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
271
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Evolutionary Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Limnology
Environmental Impact Assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
265
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Environmental Soil Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
264
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Public Health
Biostatistics
research methods
Primary health care
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Paediatric Cardiology
congenital heart disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
259
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 17
synthetical chemistry and drug design and …
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
254
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 18
TESOL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Economics
quantitative analysis and economic modeling.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
250
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Energy
Agricultural machinery and fluid mechani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
229
0.931
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Veterinary medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
238
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 23
parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
236
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 24
physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
222
0
0.000
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Art Education- Art Education Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
220
180
0.818
* Total Citation Counts Rankings
Rankings
149,400
7
5
Ranking Based On Selection: 1
Sarah Abdalla Ahmed Ibrahim
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,278
3,114
0.428
* Total Citation Counts Rankings
Rankings
154,852
8
6
Ranking Based On Selection: 2
Eltahir Awad Gasim Khalil
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,037
2,008
0.285
Vaccines for Visceral Leishmaniasis
Latent TB infections
Immunochemotherapy for Chronic HB
* Total Citation Counts Rankings
Rankings
770,659
87
31
Ranking Based On Selection: 3
AF Kheiralla
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
834
340
0.408
Machinery Design
Off-Road Vehicle
Bio-instrumentation
Bio-Energ
* Total Citation Counts Rankings
Rankings
920,587
149
44
Ranking Based On Selection: 4
Mohammed A. Adam
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
547
485
0.887
Global surgery
Quality of health services
Health Equity and Promotio
* Total Citation Counts Rankings
Rankings
1,183,923
294
53
Ranking Based On Selection: 5
Kamil M. Wagialla
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
294
0
0.000
* Total Citation Counts Rankings
Rankings
1,198,403
308
54
Ranking Based On Selection: 6
Shadad Mahmoud
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
285
0
0.000
* Total Citation Counts Rankings
Rankings
1,200,047
311
55
Ranking Based On Selection: 7
Balgees Atta Elmanan
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
284
0
0.000
Feed Evaluation
Improvement of nutritive of crop reidues
using of multi-purpose tree as animal feeds
* Total Citation Counts Rankings
Rankings
1,216,755
321
57
Ranking Based On Selection: 8
Nazik Mustafa
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
274
0
0.000
Food safety
Environmental microbiology
Bacteriology
Environmental Health
Public Health
* Total Citation Counts Rankings
Rankings
1,218,487
324
58
Ranking Based On Selection: 9
Zuheir Osman
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
273
0
0.000
* Total Citation Counts Rankings
Rankings
1,221,843
328
59
Ranking Based On Selection: 10
Eo Amasaib
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
271
0
0.000
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* Total Citation Counts Rankings
Rankings
1,221,843
328
59
Ranking Based On Selection: 11
Ahmed Kamaleldin Elfadl Ibrahim
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
271
0
0.000
Necropsy
Anatomic Pathology
Histopathology
Diagnostic Pathology
* Total Citation Counts Rankings
Rankings
1,230,704
337
61
Ranking Based On Selection: 12
Eihab Idris
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
0
0.000
* Total Citation Counts Rankings
Rankings
1,232,467
338
62
Ranking Based On Selection: 13
Osman Mm Ali
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
265
0
0.000
* Total Citation Counts Rankings
Rankings
1,234,203
339
63
Ranking Based On Selection: 14
Mohammed Abdalla Elsheikh
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
264
0
0.000
* Total Citation Counts Rankings
Rankings
1,239,683
347
64
Ranking Based On Selection: 15
Siham Ahmed Balla
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
0
0.000
Public Health
Biostatistics
research methods
Primary health care
Nutrition
* Total Citation Counts Rankings
Rankings
1,243,262
352
66
Ranking Based On Selection: 16
Osama Elshazali
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
259
0
0.000
* Total Citation Counts Rankings
Rankings
1,252,344
360
67
Ranking Based On Selection: 17
Elrashied Ae Garelnabi
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
254
0
0.000
* Total Citation Counts Rankings
Rankings
1,257,879
364
68
Ranking Based On Selection: 18
El-Sadig Ezza
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251
0
0.000
* Total Citation Counts Rankings
Rankings
1,259,769
365
69
Ranking Based On Selection: 19
Othman Abdallah
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
250
0
0.000
* Total Citation Counts Rankings
Rankings
1,266,242
373
70
Ranking Based On Selection: 20
Suha Elsoragaby
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
229
0.931
* Total Citation Counts Rankings
Rankings
1,267,544
375
71
Ranking Based On Selection: 21
Babiker Abbas
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
0
0.000
* Total Citation Counts Rankings
Rankings
1,283,385
383
72
Ranking Based On Selection: 22
Rasha Mohmmed Jafer
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
238
0
0.000
* Total Citation Counts Rankings
Rankings
1,287,594
386
74
Ranking Based On Selection: 23
Nahla Osman Mohamed Ali
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
236
0
0.000
* Total Citation Counts Rankings
Rankings
1,317,726
405
76
Ranking Based On Selection: 24
Osama Hassan Ahmed Ali
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
222
0
0.000
* Total Citation Counts Rankings
Rankings
1,321,068
407
77
Ranking Based On Selection: 25
Yassir Mohammed Mahgoub ياسر محمد محجوب حمد السيد
University of Khartoum
Khartoum, Sudan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
220
180
0.818