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Highly Cited Researchers

Highly Cited Researchers 2.957 Scientists Citation Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 2.957 scientists , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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25,085
World Rank
Egypt
40
Country Rank
Tanta University Logo
1
University
Ranking Based On Selection:
1
Sherief Abd Elsalam
Tanta University Tanta, Egypt
Medical and Health Sciences / Infectious Diseases
Hepatology Gastroenterology Infectious Disease

Citation Metrics

  • Total
    31,369
  • Last 5 Years
    30,751
  • Last 5 Years / Total
    0.980
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* Total Citation Counts Rankings

Rankings

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57,471
World Rank
Egypt
68
Country Rank
Tanta University Logo
2
University
Ranking Based On Selection:
2
Ammar H Elsheikh
Tanta University Tanta, Egypt
Engineering & Technology / Industrial & Manufacturing Engineering
Manufacturing Processes | Machining | Heat Transfer | Nanomaterials Applications | Renewable Energ

Citation Metrics

  • Total
    17,461
  • Last 5 Years
    17,025
  • Last 5 Years / Total
    0.975
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* Total Citation Counts Rankings

Rankings

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67,172
World Rank
Egypt
89
Country Rank
Tanta University Logo
3
University
Ranking Based On Selection:
3
El Refaie Kenawy
Tanta University Tanta, Egypt
Natural Sciences / Chemical Sciences
Polymer Chemistr

Citation Metrics

  • Total
    15,530
  • Last 5 Years
    7,827
  • Last 5 Years / Total
    0.504
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* Total Citation Counts Rankings

Rankings

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87,102
World Rank
Egypt
120
Country Rank
Tanta University Logo
4
University
Ranking Based On Selection:
4
Mostafa El Sheekh
Tanta University Tanta, Egypt
Natural Sciences / Biological Science
algae | pollution | Bioenergy | algal phsyiology | antimicrobia

Citation Metrics

  • Total
    12,608
  • Last 5 Years
    10,106
  • Last 5 Years / Total
    0.802
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* Total Citation Counts Rankings

Rankings

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87,481
World Rank
Egypt
122
Country Rank
Tanta University Logo
5
University
Ranking Based On Selection:
5
Sameh Samir
Tanta University Tanta, Egypt
Medical and Health Sciences / Microbiology
Innovative biological wastewater treatment | Bioremediation | Hazardous waste Valorization | Biomas

Citation Metrics

  • Total
    12,565
  • Last 5 Years
    12,263
  • Last 5 Years / Total
    0.976
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* Total Citation Counts Rankings

Rankings

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99,580
World Rank
Egypt
140
Country Rank
Tanta University Logo
6
University
Ranking Based On Selection:
6
Abd El Fatah Abomohra
Tanta University Tanta, Egypt
Natural Sciences / Biological Science
Phycology | Environmental Engineering | Biofuel | Waste recyclin

Citation Metrics

  • Total
    11,266
  • Last 5 Years
    10,231
  • Last 5 Years / Total
    0.908
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* Total Citation Counts Rankings

Rankings

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101,361
World Rank
Egypt
147
Country Rank
Tanta University Logo
7
University
Ranking Based On Selection:
7
Amira S Ashour
Tanta University Tanta, Egypt
Engineering & Technology / Electrical & Electronic Engineering
Biomedical Engineering | Medical Image Processing | Computer-aided Diagnosis System | Smart Antenna | DOA estimation& Localizatio

Citation Metrics

  • Total
    11,096
  • Last 5 Years
    7,607
  • Last 5 Years / Total
    0.686
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* Total Citation Counts Rankings

Rankings

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106,580
World Rank
Egypt
162
Country Rank
Tanta University Logo
8
University
Ranking Based On Selection:
8
Yasser Abdou
Tanta University Tanta, Egypt
Natural Sciences / Physics
Biophysics | Astrophysics | Radiation Physic

Citation Metrics

  • Total
    10,625
  • Last 5 Years
    2,892
  • Last 5 Years / Total
    0.272
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* Total Citation Counts Rankings

Rankings

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106,720
World Rank
Egypt
163
Country Rank
Tanta University Logo
9
University
Ranking Based On Selection:
9
Mohamed Labib Salem
Tanta University Tanta, Egypt
Medical and Health Sciences / Immunology
Immunolog

Citation Metrics

  • Total
    10,613
  • Last 5 Years
    4,547
  • Last 5 Years / Total
    0.428
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* Total Citation Counts Rankings

Rankings

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119,116
World Rank
Egypt
189
Country Rank
Tanta University Logo
10
University
Ranking Based On Selection:
10
Mohamed Osman
Tanta University Tanta, Egypt
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences

Citation Metrics

  • Total
    9,639
  • Last 5 Years
    6,343
  • Last 5 Years / Total
    0.658
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* Total Citation Counts Rankings

Rankings

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129,792
World Rank
Egypt
213
Country Rank
Tanta University Logo
11
University
Ranking Based On Selection:
11
Mohamed Abdelgaied
Tanta University Tanta, Egypt
Engineering & Technology / Mechanical Engineering
Renewable Energy | Solar Desalination | Air Conditioning | Solar Drye

Citation Metrics

  • Total
    8,925
  • Last 5 Years
    8,325
  • Last 5 Years / Total
    0.933
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* Total Citation Counts Rankings

Rankings

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130,587
World Rank
Egypt
215
Country Rank
Tanta University Logo
12
University
Ranking Based On Selection:
12
Mohamed A Amer
Tanta University Tanta, Egypt
Natural Sciences / Physics
Experimental Physic

Citation Metrics

  • Total
    8,879
  • Last 5 Years
    5,772
  • Last 5 Years / Total
    0.650
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* Total Citation Counts Rankings

Rankings

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130,849
World Rank
Egypt
217
Country Rank
Tanta University Logo
13
University
Ranking Based On Selection:
13
Ahmed Abdel Azeem El Sebaii
Tanta University Tanta, Egypt
Natural Sciences / Physics
physics | Solar Energy | Material Science

Citation Metrics

  • Total
    8,863
  • Last 5 Years
    4,267
  • Last 5 Years / Total
    0.481
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* Total Citation Counts Rankings

Rankings

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141,377
World Rank
Egypt
240
Country Rank
Tanta University Logo
14
University
Ranking Based On Selection:
14
Nagy Torad
Tanta University Tanta, Egypt
Natural Sciences / Chemical Sciences
MesoMOFs | Nanoporous carbons | Gas sensors | Water treatment | Supercapacitor

Citation Metrics

  • Total
    8,268
  • Last 5 Years
    4,155
  • Last 5 Years / Total
    0.503
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* Total Citation Counts Rankings

Rankings

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169,908
World Rank
Egypt
311
Country Rank
Tanta University Logo
15
University
Ranking Based On Selection:
15
Tamer Elsamahy
Tanta University Tanta, Egypt
Medical and Health Sciences / Microbiology
Microbiology | Environmental pollution | Biochemistr

Citation Metrics

  • Total
    6,942
  • Last 5 Years
    6,921
  • Last 5 Years / Total
    0.997
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* Total Citation Counts Rankings

Rankings

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171,197
World Rank
Egypt
312
Country Rank
Tanta University Logo
16
University
Ranking Based On Selection:
16
Gamal El Maghraby
Tanta University Tanta, Egypt
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
drug delivery | Formulation science | Co-crystallization | liposomes | niosome

Citation Metrics

  • Total
    6,891
  • Last 5 Years
    3,355
  • Last 5 Years / Total
    0.487
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* Total Citation Counts Rankings

Rankings

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188,374
World Rank
Egypt
357
Country Rank
Tanta University Logo
17
University
Ranking Based On Selection:
17
Yehia A G Mahmoud
Tanta University Tanta, Egypt
Medical and Health Sciences / Microbiology
Prof. of Microbiology (Mycology-Enzymology-Yeast-Molecular Biology-Drug development

Citation Metrics

  • Total
    6,273
  • Last 5 Years
    5,292
  • Last 5 Years / Total
    0.844
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* Total Citation Counts Rankings

Rankings

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200,260
World Rank
Egypt
394
Country Rank
Tanta University Logo
18
University
Ranking Based On Selection:
18
Medhat Elkelawy
Tanta University Tanta, Egypt
Engineering & Technology / Mechanical Engineering
Internal Combustion Engine | Combustion Systems | Energy Systems Analysi

Citation Metrics

  • Total
    5,899
  • Last 5 Years
    5,687
  • Last 5 Years / Total
    0.964
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* Total Citation Counts Rankings

Rankings

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200,441
World Rank
Egypt
396
Country Rank
Tanta University Logo
19
University
Ranking Based On Selection:
19
Mohamed E Zayed
Tanta University Tanta, Egypt
Engineering & Technology / Energy Engineering
Renewable Energy Technologies - CSP - Solar dish Stirling - PCM - Energy storag

Citation Metrics

  • Total
    5,894
  • Last 5 Years
    5,711
  • Last 5 Years / Total
    0.969
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* Total Citation Counts Rankings

Rankings

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202,778
World Rank
Egypt
402
Country Rank
Tanta University Logo
20
University
Ranking Based On Selection:
20
MR Elkadeem
Tanta University Tanta, Egypt
Engineering & Technology / Energy Engineering
Renewable Energy | Power System | Optimization | GIS | Desalinatio

Citation Metrics

  • Total
    5,822
  • Last 5 Years
    5,749
  • Last 5 Years / Total
    0.987
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* Total Citation Counts Rankings

Rankings

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219,223
World Rank
Egypt
458
Country Rank
Tanta University Logo
21
University
Ranking Based On Selection:
21
Ahmed Ahmed Abd Elaziz
Tanta University Tanta, Egypt
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences

Citation Metrics

  • Total
    5,371
  • Last 5 Years
    4,118
  • Last 5 Years / Total
    0.767
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* Total Citation Counts Rankings

Rankings

flag
223,010
World Rank
Egypt
469
Country Rank
Tanta University Logo
22
University
Ranking Based On Selection:
22
Kamal Shaltout
Tanta University Tanta, Egypt
Natural Sciences / Biological Science
Environmental Botan

Citation Metrics

  • Total
    5,277
  • Last 5 Years
    2,960
  • Last 5 Years / Total
    0.561
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* Total Citation Counts Rankings

Rankings

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229,233
World Rank
Egypt
488
Country Rank
Tanta University Logo
23
University
Ranking Based On Selection:
23
Ahmed M Ismail
Tanta University Tanta, Egypt
Medical and Health Sciences / Cardiovascular Surgery
Biomarkers | Clinical Biochemistry | Nephrology | AKI | Cellular Signallin

Citation Metrics

  • Total
    5,125
  • Last 5 Years
    4,961
  • Last 5 Years / Total
    0.968
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* Total Citation Counts Rankings

Rankings

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233,651
World Rank
Egypt
507
Country Rank
Tanta University Logo
24
University
Ranking Based On Selection:
24
Hagar Alm Eldin
Tanta University Tanta, Egypt
Engineering & Technology / Mechanical Engineering
Computational Fluid Dynamics - Fluid Mechanics - Fuel - Bio fuel Technology - Combustion - Interna

Citation Metrics

  • Total
    5,024
  • Last 5 Years
    4,861
  • Last 5 Years / Total
    0.968
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* Total Citation Counts Rankings

Rankings

flag
242,431
World Rank
Egypt
537
Country Rank
Tanta University Logo
25
University
Ranking Based On Selection:
25
SM Shalaby
Tanta University Tanta, Egypt
Others
Solar energy and water desalinatio

Citation Metrics

  • Total
    4,830
  • Last 5 Years
    3,658
  • Last 5 Years / Total
    0.757
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