Top 100 Scientists

World Top 100 Scientists 2024

The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA based on total h-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects. 

* Rankings
World Rank
117,692
Country Rank
228
Institution Rank : 1
Egypt
Ahmed F. Al-Hossainy
Polymer and Inorganic Semiconductor Nanostructure thin film
Metrics
H-Index
i10 Index
Citation
42
105
3,775
* Rankings
World Rank
221,911
Country Rank
585
Institution Rank : 2
Egypt
Sedky HA Hassan
Environmental Microbiology
Bioenergy and Microbial fuel cells
Bioremediation
Applied Mycology
Metrics
H-Index
i10 Index
Citation
31
56
3,810
* Rankings
World Rank
236,444
Country Rank
662
Institution Rank : 3
Egypt
Samer S. Ezz-Eldien
Numerical Analysis
Scientific Computing
Metrics
H-Index
i10 Index
Citation
30
39
3,212
* Rankings
World Rank
317,481
Country Rank
1,067
Institution Rank : 4
Egypt
Romany F. Mansour
Computer Science
IOT
Healthcare
Biomedical
Metrics
H-Index
i10 Index
Citation
25
54
2,438
* Rankings
World Rank
386,323
Country Rank
1,466
Institution Rank : 5
Egypt
Serry Alsharife
Metrics
H-Index
i10 Index
Citation
22
44
1,584
* Rankings
World Rank
473,172
Country Rank
2,090
Institution Rank : 6
Egypt
Ahmed Abdelhafez
Soil Chemistry (heavy metals)
Risk Assessment (heavy metals)
Biochar
Metrics
H-Index
i10 Index
Citation
19
32
1,561
* Rankings
World Rank
473,408
Country Rank
2,092
Institution Rank : 7
Egypt
Mostafa Afifi Hassan
MOCVD growth and Nanofabrication
PEC water splitting
Solar energy conversion
Metrics
H-Index
i10 Index
Citation
19
30
1,349
* Rankings
World Rank
507,002
Country Rank
2,372
Institution Rank : 8
Egypt
Dalal Husein
Nanomaterials
Synthesis & Characterization
DFT calculations
Adsorption
Photocatalytic Degradation N
Metrics
H-Index
i10 Index
Citation
18
29
1,185
* Rankings
World Rank
510,164
Country Rank
2,397
Institution Rank : 9
Egypt
Samia Makram
Kinetics
Oxidation
Mechanisms
Nano-Composite
Nanomaterials
Metrics
H-Index
i10 Index
Citation
18
36
937
* Rankings
World Rank
529,800
Country Rank
2,566
Institution Rank : 10
Egypt
Ahmed Th. A. Ibrahim
Toxicology
Fish biology
Heavy metals
Water pollution
Metrics
H-Index
i10 Index
Citation
18
19
926
* Rankings
World Rank
578,463
Country Rank
3,012
Institution Rank : 11
Egypt
Mahmoud Mohamed Ahmed
Inorganic chemistry
Metrics
H-Index
i10 Index
Citation
17
21
657
* Rankings
World Rank
634,390
Country Rank
3,498
Institution Rank : 12
Egypt
Emad E. El-Katori
Surface Chemistry
Nanotechnology
Energy
Corrosion Chemistry
Electrochemistry
Metrics
H-Index
i10 Index
Citation
15
19
1,296
* Rankings
World Rank
688,191
Country Rank
3,981
Institution Rank : 13
Egypt
Waleed Senosy
Theriogenology
Metrics
H-Index
i10 Index
Citation
14
20
514
* Rankings
World Rank
733,258
Country Rank
4,477
Institution Rank : 14
Egypt
Hatem A. Hamdon
Animal Production
Animal Nutrition
Metrics
H-Index
i10 Index
Citation
13
15
492
* Rankings
World Rank
1,002,667
Country Rank
258,018
Institution Rank : 20
United States
Matthew P Purtill
Geoarchaeology
Geomorphology
Ohio Valley Prehistory
Metrics
H-Index
i10 Index
Citation
9
7
248
* Rankings
World Rank
1,022,494
Country Rank
7,733
Institution Rank : 15
Egypt
Mahdy H. Hamed
Soil fertility
plant nutrition
organic fertilizers
organic farming
organic compost production
Metrics
H-Index
i10 Index
Citation
8
8
218
* Rankings
World Rank
1,074,715
Country Rank
8,688
Institution Rank : 16
Egypt
Kam Ibrahim
Plant breeding - Crop Production
Metrics
H-Index
i10 Index
Citation
8
6
215
* Rankings
World Rank
1,153,936
Country Rank
10,193
Institution Rank : 17
Egypt
محمد أحمد محمد علي
Metrics
H-Index
i10 Index
Citation
7
5
137
* Rankings
World Rank
1,256,423
Country Rank
12,277
Institution Rank : 18
Egypt
Khaled Hussein Arafat|Arafat, K.H., Arafat, K.
Date Palm Diseases
Biological Control
Soil-borne fungi
Forecasting Models
Metrics
H-Index
i10 Index
Citation
6
5
131
* Rankings
World Rank
1,344,293
Country Rank
14,064
Institution Rank : 19
Egypt
Hesham A Ismail
Dairy Science
Metrics
H-Index
i10 Index
Citation
5
3
104
* Rankings
World Rank
1,416,527
Country Rank
15,583
Institution Rank : 21
Egypt
Eman Fm Tolba
Plant Protection
Entomology
IPM
Metrics
H-Index
i10 Index
Citation
5
0
44
* Rankings
World Rank
1,693,034
Country Rank
21,263
Institution Rank : 22
Egypt
ِAhmed Soliman|Soliman A. S. H, Ahmed Soliman, Soliman A
Animal Physiology - Animal production
Metrics
H-Index
i10 Index
Citation
3
1
28
* Rankings
World Rank
1,838,352
Country Rank
24,604
Institution Rank : 23
Egypt
D Nermeen Nasralla
علوم وتكنولوجيا الالبان
Metrics
H-Index
i10 Index
Citation
2
1
28
* Rankings
World Rank
1,903,772
Country Rank
26,172
Institution Rank : 24
Egypt
Khaled Mohammed Khames Ahmed
agronomy - plant breeding
Metrics
H-Index
i10 Index
Citation
2
0
13
* Rankings
World Rank
1,918,566
Country Rank
26,473
Institution Rank : 25
Egypt
Ali Khalifa
Animal Nutrition
Metrics
H-Index
i10 Index
Citation
2
0
11
* Rankings
World Rank
1,927,247
Country Rank
26,655
Institution Rank : 26
Egypt
Mohammed Kamal
الفاكهة
Metrics
H-Index
i10 Index
Citation
2
0
10
* Rankings
World Rank
1,936,079
Country Rank
5,127
Institution Rank : 53
Ghana
Daniel Berchie
New Testament
Metrics
H-Index
i10 Index
Citation
2
0
9
* Rankings
World Rank
1,965,658
Country Rank
27,146
Institution Rank : 27
Egypt
Ahmed Mahmoud Ali
Pomology
Metrics
H-Index
i10 Index
Citation
2
0
5
* Rankings
World Rank
2,024,801
Country Rank
28,728
Institution Rank : 28
Egypt
Gamal Hassan Kamel
Agriculter Economic
Metrics
H-Index
i10 Index
Citation
1
1
21
* Rankings
World Rank
2,044,146
Country Rank
29,482
Institution Rank : 29
Egypt
Shereen Reda
Metrics
H-Index
i10 Index
Citation
1
1
12
* Rankings
World Rank
2,071,214
Country Rank
30,136
Institution Rank : 30
Egypt
Esraa Ahmed Hussein
امراض النبات- امراض نخيل البلح
Metrics
H-Index
i10 Index
Citation
1
0
7
* Rankings
World Rank
2,092,343
Country Rank
30,428
Institution Rank : 31
Egypt
Mahmoud Shaaban Kamal Eldeen
Poultry science
Metrics
H-Index
i10 Index
Citation
1
0
5
* Rankings
World Rank
2,092,343
Country Rank
30,428
Institution Rank : 31
Egypt
Mohamed Solma
animal breeding and genetic
Metrics
H-Index
i10 Index
Citation
1
0
5
* Rankings
World Rank
2,107,547
Country Rank
30,656
Institution Rank : 33
Egypt
Amira Farag
Metrics
H-Index
i10 Index
Citation
1
0
4
* Rankings
World Rank
2,177,199
Country Rank
32,126
Institution Rank : 34
Egypt
Samar Ha Hammam
Food Science and Technology
Metrics
H-Index
i10 Index
Citation
1
0
1
* Rankings
World Rank
2,177,199
Country Rank
32,126
Institution Rank : 34
Egypt
Taha Amr Abd El Aziz
الزراعة
Metrics
H-Index
i10 Index
Citation
1
0
1
* Rankings
World Rank
2,206,052
Country Rank
434,151
Institution Rank : 111
United States
P Matthew Delamater
Jacksonian and Hudson Valley Culture
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
117,692
Egypt
228
1
Ahmed F. Al-Hossainy
Metrics
H-Index
i10 Index
Citation Counts
42
105
3,775
Polymer and Inorganic Semiconductor Nanostructure thin film
Rankings
221,911
Egypt
585
2
Sedky HA Hassan
Metrics
H-Index
i10 Index
Citation Counts
31
56
3,810
Environmental Microbiology
Bioenergy and Microbial fuel cells
Bioremediation
Applied Mycology
Rankings
236,444
Egypt
662
3
Samer S. Ezz-Eldien
Metrics
H-Index
i10 Index
Citation Counts
30
39
3,212
Rankings
317,481
Egypt
1,067
4
Romany F. Mansour
Metrics
H-Index
i10 Index
Citation Counts
25
54
2,438
Rankings
386,323
Egypt
1,466
5
Serry Alsharife
Metrics
H-Index
i10 Index
Citation Counts
22
44
1,584
Rankings
473,172
Egypt
2,090
6
Ahmed Abdelhafez
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,561
Soil Chemistry (heavy metals)
Risk Assessment (heavy metals)
Biochar
Rankings
473,408
Egypt
2,092
7
Mostafa Afifi Hassan
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,349
MOCVD growth and Nanofabrication
PEC water splitting
Solar energy conversion
Rankings
507,002
Egypt
2,372
8
Dalal Husein
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,185
Nanomaterials
Synthesis & Characterization
DFT calculations
Adsorption
Photocatalytic Degradation N
Rankings
510,164
Egypt
2,397
9
Samia Makram
Metrics
H-Index
i10 Index
Citation Counts
18
36
937
Kinetics
Oxidation
Mechanisms
Nano-Composite
Nanomaterials
Rankings
529,800
Egypt
2,566
10
Ahmed Th. A. Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
18
19
926
Toxicology
Fish biology
Heavy metals
Water pollution
Rankings
578,463
Egypt
3,012
11
Mahmoud Mohamed Ahmed
Metrics
H-Index
i10 Index
Citation Counts
17
21
657
Rankings
634,390
Egypt
3,498
12
Emad E. El-Katori
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,296
Surface Chemistry
Nanotechnology
Energy
Corrosion Chemistry
Electrochemistry
Rankings
688,191
Egypt
3,981
13
Waleed Senosy
Metrics
H-Index
i10 Index
Citation Counts
14
20
514
Rankings
733,258
Egypt
4,477
14
Hatem A. Hamdon
Metrics
H-Index
i10 Index
Citation Counts
13
15
492
Rankings
1,002,667
United States
258,018
20
Matthew P Purtill
Metrics
H-Index
i10 Index
Citation Counts
9
7
248
Geoarchaeology
Geomorphology
Ohio Valley Prehistory
Rankings
1,022,494
Egypt
7,733
15
Mahdy H. Hamed
Metrics
H-Index
i10 Index
Citation Counts
8
8
218
Soil fertility
plant nutrition
organic fertilizers
organic farming
organic compost production
Rankings
1,074,715
Egypt
8,688
16
Kam Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
8
6
215
Plant breeding - Crop Production
Rankings
1,153,936
Egypt
10,193
17
محمد أحمد محمد علي
Metrics
H-Index
i10 Index
Citation Counts
7
5
137
Rankings
1,256,423
Egypt
12,277
18
Khaled Hussein Arafat|Arafat, K.H., Arafat, K.
Metrics
H-Index
i10 Index
Citation Counts
6
5
131
Date Palm Diseases
Biological Control
Soil-borne fungi
Forecasting Models
Rankings
1,344,293
Egypt
14,064
19
Hesham A Ismail
Metrics
H-Index
i10 Index
Citation Counts
5
3
104
Rankings
1,416,527
Egypt
15,583
21
Eman Fm Tolba
Metrics
H-Index
i10 Index
Citation Counts
5
0
44
Plant Protection
Entomology
IPM
Rankings
1,693,034
Egypt
21,263
22
ِAhmed Soliman|Soliman A. S. H, Ahmed Soliman, Soliman A
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
1,838,352
Egypt
24,604
23
D Nermeen Nasralla
Metrics
H-Index
i10 Index
Citation Counts
2
1
28
علوم وتكنولوجيا الالبان
Rankings
1,903,772
Egypt
26,172
24
Khaled Mohammed Khames Ahmed
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
agronomy - plant breeding
Rankings
1,918,566
Egypt
26,473
25
Ali Khalifa
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Rankings
1,927,247
Egypt
26,655
26
Mohammed Kamal
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
1,936,079
Ghana
5,127
53
Daniel Berchie
Metrics
H-Index
i10 Index
Citation Counts
2
0
9
Rankings
1,965,658
Egypt
27,146
27
Ahmed Mahmoud Ali
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Rankings
2,024,801
Egypt
28,728
28
Gamal Hassan Kamel
Metrics
H-Index
i10 Index
Citation Counts
1
1
21
Rankings
2,044,146
Egypt
29,482
29
Shereen Reda
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Rankings
2,071,214
Egypt
30,136
30
Esraa Ahmed Hussein
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
امراض النبات- امراض نخيل البلح
Rankings
2,092,343
Egypt
30,428
31
Mahmoud Shaaban Kamal Eldeen
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
2,092,343
Egypt
30,428
31
Mohamed Solma
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
2,107,547
Egypt
30,656
33
Amira Farag
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
2,177,199
Egypt
32,126
34
Samar Ha Hammam
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
2,177,199
Egypt
32,126
34
Taha Amr Abd El Aziz
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
2,206,052
United States
434,151
111
P Matthew Delamater
Metrics
H-Index
i10 Index
Citation Counts
1
0
2