Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS 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, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (943,645 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
Ranking Based
On Selection: 1
Cretaceous-Paleogene Boundary
Cosmochemistry
Meteorites
Meteorite Impacts
Mass extinctions
Metrics
H-Index
i10 Index
Citation
38
81
5,135
* Rankings
Ranking Based
On Selection: 2
Enteric nervous system
autonomic nervous system
ageing
development
Metrics
H-Index
i10 Index
Citation
31
54
3,315
Computational Chemistry
Physical Chemistry
Metrics
H-Index
i10 Index
Citation
29
58
2,675
Organic and Medicinal Chemistry
Metrics
H-Index
i10 Index
Citation
28
57
2,319
Metrics
H-Index
i10 Index
Citation
28
61
2,227
Functional Materials
Catalysis
Energy conversion and storage
Metrics
H-Index
i10 Index
Citation
27
47
1,913
PHYSICAL CHEMISTRY
REACTIVE FLOWS
FLAME SYNTHESIS
MOLECULAR BEAMS
SURFACE DYNAMICS
Metrics
H-Index
i10 Index
Citation
27
43
1,540
* Rankings
Ranking Based
On Selection: 8
chemistry
catalysis
recycling
waste
biomass
Metrics
H-Index
i10 Index
Citation
24
42
3,179
* Rankings
Ranking Based
On Selection: 9
Organic synthesis
Materials chemistry
Supramolecular chemistry
Mechanistic chemistry
Biological Chemistry
Metrics
H-Index
i10 Index
Citation
22
27
2,034
* Rankings
Ranking Based
On Selection: 10
Organic Synthesis
Supramolecular Chemistry
Olefin metathesis
Host-Guest Chemistry
Catalysis
Metrics
H-Index
i10 Index
Citation
21
31
1,565
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chemistry
chiral synthesis
phytochemistry
heterocyclic synthesis
environmental chemistry
Metrics
H-Index
i10 Index
Citation
19
38
1,925
Inorganic Chemistry
Organometallic chemistry
Catalysis
Boron Chemistry
Metrics
H-Index
i10 Index
Citation
19
42
1,327
* Rankings
Ranking Based
On Selection: 13
Symmetry
Chirality
Protein Structure
Computational Chemistry
Chemistry Education Research
Metrics
H-Index
i10 Index
Citation
17
26
731
* Rankings
Ranking Based
On Selection: 14
Chemistry
nanoscience
biomaterials
paints and coatings
Metrics
H-Index
i10 Index
Citation
16
21
826
Organic Chemistry
Metrics
H-Index
i10 Index
Citation
16
25
985
* Rankings
Ranking Based
On Selection: 16
Organic Chemistry
Metrics
H-Index
i10 Index
Citation
14
21
492
Environmental Chemistry
Physical Chemistry
Analytical chemistry
Metrics
H-Index
i10 Index
Citation
13
15
600
* Rankings
Ranking Based
On Selection: 18
Molecular Spectroscopy
Photochemistry
Computational Chemistry
Metrics
H-Index
i10 Index
Citation
13
17
370
* Rankings
Ranking Based
On Selection: 19
organic chemistry
synthetic organic chemistry
Metrics
H-Index
i10 Index
Citation
13
19
696
* Rankings
Ranking Based
On Selection: 20
Organic Chemistry
Supramolecular Chemistry
Catalysis
Metrics
H-Index
i10 Index
Citation
12
16
412
Organic chemistry
Metrics
H-Index
i10 Index
Citation
12
12
513
Computational Chemistry
Photo Chemistry
Inorganic Chemistry
Metrics
H-Index
i10 Index
Citation
11
11
260
* Rankings
Ranking Based
On Selection: 23
Organic Chemistry
Distance Education
Metrics
H-Index
i10 Index
Citation
10
11
1,270
* Rankings
Ranking Based
On Selection: 24
Microplastics
Water Chemistry
Toxicology
Aquaculture
GIS and Statistical analysis
Metrics
H-Index
i10 Index
Citation
9
9
291
Chemistry
Environmental Chemistry
Metrics
H-Index
i10 Index
Citation
9
9
283
* Rankings
Ranking Based
On Selection: 26
Biochemistry
Molecular biology and Organic Chemistry
Metrics
H-Index
i10 Index
Citation
9
8
377
* Rankings
Ranking Based
On Selection: 27
Inorganic Chemistry
Environmental Chemistry
Metrics
H-Index
i10 Index
Citation
9
9
299
* Rankings
Ranking Based
On Selection: 28
Chemistry
Nanotechnology
Metrics
H-Index
i10 Index
Citation
7
7
313
* Rankings
Ranking Based
On Selection: 29
Natural Product Chemistry
Metrics
H-Index
i10 Index
Citation
7
5
102
* Rankings
Ranking Based
On Selection: 30
Analytical Chemistry
Hydroponics
water purification
Metrics
H-Index
i10 Index
Citation
7
6
195
* Rankings
Ranking Based
On Selection: 31
Organic Chemistry
Analytical Chemistry
Biotechnology
Metrics
H-Index
i10 Index
Citation
7
5
121
* Rankings
Ranking Based
On Selection: 32
physical chemistry
Metrics
H-Index
i10 Index
Citation
7
7
574
* Rankings
Ranking Based
On Selection: 33
Organic chemistry
Organometallic chemistry
Chemical Kinetics
Nanotechnology
Metrics
H-Index
i10 Index
Citation
6
5
192
* Rankings
Ranking Based
On Selection: 34
Natural Product Chemistry
Organic Chemistry
Metrics
H-Index
i10 Index
Citation
6
1
62
* Rankings
Ranking Based
On Selection: 35
Metrics
H-Index
i10 Index
Citation
6
6
189
* Rankings
Ranking Based
On Selection: 36
Chimie Théorique et Computationnelle
Astrochimie
Metrics
H-Index
i10 Index
Citation
6
4
182
* Rankings
Ranking Based
On Selection: 37
хімія
нанотехнології
Metrics
H-Index
i10 Index
Citation
6
2
143
* Rankings
Ranking Based
On Selection: 38
Physical Chemistry
Nanochemistry
Molecular Spectroscopy
Linear and Nonlinear Spectroscopy
Metrics
H-Index
i10 Index
Citation
5
4
107
* Rankings
Ranking Based
On Selection: 39
science education
distance education
photochemistry
Metrics
H-Index
i10 Index
Citation
5
5
192
* Rankings
Ranking Based
On Selection: 40
Organic Chemistry
Metrics
H-Index
i10 Index
Citation
5
4
117
* Rankings
Ranking Based
On Selection: 41
Chemistry
Metrics
H-Index
i10 Index
Citation
5
2
154
* Rankings
Ranking Based
On Selection: 42
chemistry
distance education
ethics
Metrics
H-Index
i10 Index
Citation
5
2
52
* Rankings
Ranking Based
On Selection: 43
Chemistry
Environment
Green Chemistry
Oen and Distance learning
Metrics
H-Index
i10 Index
Citation
5
1
43
* Rankings
Ranking Based
On Selection: 44
Physical Chemistry
Food Chemistry
Chemistry of carotenoids
Herbal formulations
Metrics
H-Index
i10 Index
Citation
4
3
142
* Rankings
Ranking Based
On Selection: 45
Synthetic Organic Chemistry
Nanoscience
Sensor Development
Metrics
H-Index
i10 Index
Citation
4
3
66
* Rankings
Ranking Based
On Selection: 46
Organic Chemistry
Natural Products Chemistry
Ethnopharmacology
Metrics
H-Index
i10 Index
Citation
4
2
69
* Rankings
Ranking Based
On Selection: 47
Astrobiology
Geomicrobiology
Organic Chemistry
Mars Exploration Simulation
Metrics
H-Index
i10 Index
Citation
3
3
125
* Rankings
Ranking Based
On Selection: 48
Physical Chemistry
Environmental Chemistry
Industrial Chemistry
Green Chemistry
Metrics
H-Index
i10 Index
Citation
3
2
65
* Rankings
Ranking Based
On Selection: 49
Inorganic Chemistry
Metrics
H-Index
i10 Index
Citation
3
1
55
* Rankings
Ranking Based
On Selection: 50
Natural product Chemistry
Organic chemistry
Medicinal Chemistry
Metrics
H-Index
i10 Index
Citation
3
1
34
* Rankings
Ranking Based
On Selection: 51
Design thinking
Context-based learning
Functional concept understanding
Functional skills
Learni
Metrics
H-Index
i10 Index
Citation
3
0
18
* Rankings
Ranking Based
On Selection: 52
Chemistry
Food Chemistry
Instrumental methods in Chemistry
Metrics
H-Index
i10 Index
Citation
2
2
116
* Rankings
Ranking Based
On Selection: 53
Materials Science
Inorganic Chemistry
Polymer Chemistry
Metrics
H-Index
i10 Index
Citation
2
1
15
* Rankings
Ranking Based
On Selection: 54
natural products
organic chemistry
metabolomics
Metrics
H-Index
i10 Index
Citation
2
0
14
* Rankings
Ranking Based
On Selection: 55
Natural product chemistry
bio chemistry
Metrics
H-Index
i10 Index
Citation
2
0
13
* Rankings
Ranking Based
On Selection: 56
material science
inorganic chemistry
Metrics
H-Index
i10 Index
Citation
2
0
10
* Rankings
Ranking Based
On Selection: 57
Metrics
H-Index
i10 Index
Citation
1
1
21
* Rankings
Ranking Based
On Selection: 58
Organic Chemistry
Natural Products
Functional Materials
Allelopathy
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
Ranking Based
On Selection: 59
Soil Chemistry
Metrics
H-Index
i10 Index
Citation
1
0
1
* Rankings
Ranking Based
On Selection: 60
analytical chemistry
cigarette
knime
Metrics
H-Index
i10 Index
Citation
0
0
0
Iain Gilmour
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
38
81
5,135
Cretaceous-Paleogene Boundary
Cosmochemistry
Meteorites
Meteorite Impacts
Mass extinctions
Margaret Jill Saffrey
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
31
54
3,315
Enteric nervous system
autonomic nervous system
ageing
development
Kenro Hashimoto
Metrics
H-Index
i10 Index
Citation Counts
29
58
2,675
Computational Chemistry
Physical Chemistry
Zaman Ashraf
Allama Iqbal Open University
Islamabad, Pakistan
Metrics
H-Index
i10 Index
Citation Counts
28
57
2,319
Moazzam H Bhatti|Moazzam Hussain Bhatti
Allama Iqbal Open University
Islamabad, Pakistan
Metrics
H-Index
i10 Index
Citation Counts
28
61
2,227
Iqbal Ahmad
Allama Iqbal Open University
Islamabad, Pakistan
Metrics
H-Index
i10 Index
Citation Counts
27
47
1,913
Functional Materials
Catalysis
Energy conversion and storage
Igor Rahinov
Open University of Israel
Ra'anana, Israel
Metrics
H-Index
i10 Index
Citation Counts
27
43
1,540
PHYSICAL CHEMISTRY
REACTIVE FLOWS
FLAME SYNTHESIS
MOLECULAR BEAMS
SURFACE DYNAMICS
Simon Collinson
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
24
42
3,179
chemistry
catalysis
recycling
waste
biomass
Nicholas Power
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
22
27
2,034
Organic synthesis
Materials chemistry
Supramolecular chemistry
Mechanistic chemistry
Biological Chemistry
Ofer Reany
Open University of Israel
Ra'anana, Israel
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,565
Organic Synthesis
Supramolecular Chemistry
Olefin metathesis
Host-Guest Chemistry
Catalysis
Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.
Naghmana Rashid P
Allama Iqbal Open University
Islamabad, Pakistan
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,925
chemistry
chiral synthesis
phytochemistry
heterocyclic synthesis
environmental chemistry
Sarath D Perera
Metrics
H-Index
i10 Index
Citation Counts
19
42
1,327
Inorganic Chemistry
Organometallic chemistry
Catalysis
Boron Chemistry
Inbal Tuvi Arad
Open University of Israel
Ra'anana, Israel
Metrics
H-Index
i10 Index
Citation Counts
17
26
731
Symmetry
Chirality
Protein Structure
Computational Chemistry
Chemistry Education Research
Suvangshu Dutta
Metrics
H-Index
i10 Index
Citation Counts
16
21
826
Chemistry
nanoscience
biomaterials
paints and coatings
Kamal B Gunaherath
Metrics
H-Index
i10 Index
Citation Counts
16
25
985
Sintu Ganai
Netaji Subhas Open University
West Bengal, India
Metrics
H-Index
i10 Index
Citation Counts
14
21
492
Emeka Ogoko
Metrics
H-Index
i10 Index
Citation Counts
13
15
600
Environmental Chemistry
Physical Chemistry
Analytical chemistry
Puspal Mukherjee
Netaji Subhas Open University
West Bengal, India
Metrics
H-Index
i10 Index
Citation Counts
13
17
370
Molecular Spectroscopy
Photochemistry
Computational Chemistry
Dv Mane|Dhananjay Vithalrao Mane, Mane D V
Metrics
H-Index
i10 Index
Citation Counts
13
19
696
organic chemistry
synthetic organic chemistry
Daniel T Payne
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
12
16
412
Organic Chemistry
Supramolecular Chemistry
Catalysis
Samir Najdi
Al Quds Open University
Ramallah, Palestine
Metrics
H-Index
i10 Index
Citation Counts
12
12
513
R Senthilnithy
Metrics
H-Index
i10 Index
Citation Counts
11
11
260
Computational Chemistry
Photo Chemistry
Inorganic Chemistry
Bharat Inder Fozdar
Metrics
H-Index
i10 Index
Citation Counts
10
11
1,270
Organic Chemistry
Distance Education
Yohan Mahagamage
Metrics
H-Index
i10 Index
Citation Counts
9
9
291
Microplastics
Water Chemistry
Toxicology
Aquaculture
GIS and Statistical analysis
Josephat Saria
Open University of Tanzania
Dar es Salaam, Tanzania
Metrics
H-Index
i10 Index
Citation Counts
9
9
283
Chemistry
Environmental Chemistry
Thelma Abeysinghe
Metrics
H-Index
i10 Index
Citation Counts
9
8
377
Biochemistry
Molecular biology and Organic Chemistry
Sithy S Iqbal nee Salam
Metrics
H-Index
i10 Index
Citation Counts
9
9
299
Inorganic Chemistry
Environmental Chemistry
Lahiru A Wijenayaka
Metrics
H-Index
i10 Index
Citation Counts
7
7
313
Charu C Pant
Uttarakhand Open University
Haldwani, India
Metrics
H-Index
i10 Index
Citation Counts
7
5
102
Mdjs Saparamadu
Metrics
H-Index
i10 Index
Citation Counts
7
6
195
Analytical Chemistry
Hydroponics
water purification
Upul Nishshanka|U Nishshanka, O.K.D.U.P. Nishshanka, Upul Nishshanka
Metrics
H-Index
i10 Index
Citation Counts
7
5
121
Organic Chemistry
Analytical Chemistry
Biotechnology
Abdelhai Ebaid
Arab Open University Egypt
Cairo, Egypt
Metrics
H-Index
i10 Index
Citation Counts
7
7
574
Sanjeewa K Rodrigo
Metrics
H-Index
i10 Index
Citation Counts
6
5
192
Organic chemistry
Organometallic chemistry
Chemical Kinetics
Nanotechnology
S. Kokilananthan|K. Shanthirasekaram
Metrics
H-Index
i10 Index
Citation Counts
6
1
62
Natural Product Chemistry
Organic Chemistry
Samanthika Ruvinie Hettiarachchi
Metrics
H-Index
i10 Index
Citation Counts
6
6
189
Pierre Ghesquiere
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
6
4
182
Chimie Théorique et Computationnelle
Astrochimie
Нф Кущевська; Нф Кущевская; Nf Kushchevskaya; Nf Kushchevska; Nf Kuschevskaya; Nf Kuschevska
Metrics
H-Index
i10 Index
Citation Counts
6
2
143
Asela Sampath Dikkumbura
Metrics
H-Index
i10 Index
Citation Counts
5
4
107
Physical Chemistry
Nanochemistry
Molecular Spectroscopy
Linear and Nonlinear Spectroscopy
Ru Tantrigoda
Metrics
H-Index
i10 Index
Citation Counts
5
5
192
science education
distance education
photochemistry
Rukmal Ratnayake
Metrics
H-Index
i10 Index
Citation Counts
5
4
117
Dinesh Kumar Gupta
Uttar Pradesh Rajarshi Tandon Open University
Uttar Pradesh, India
Metrics
H-Index
i10 Index
Citation Counts
5
2
154
Boyina Rupini -
Metrics
H-Index
i10 Index
Citation Counts
5
1
43
Chemistry
Environment
Green Chemistry
Oen and Distance learning
Dusantha Alwis
Metrics
H-Index
i10 Index
Citation Counts
4
3
142
Physical Chemistry
Food Chemistry
Chemistry of carotenoids
Herbal formulations
Prasadi Adhihetty
Metrics
H-Index
i10 Index
Citation Counts
4
3
66
Synthetic Organic Chemistry
Nanoscience
Sensor Development
Chandani Ranasinghe|C. Liyanage, Chandani Liyanage
Metrics
H-Index
i10 Index
Citation Counts
4
2
69
Organic Chemistry
Natural Products Chemistry
Ethnopharmacology
Anushree Srivastava
Open University UK
Milton Keynes, United Kingdom
Metrics
H-Index
i10 Index
Citation Counts
3
3
125
Astrobiology
Geomicrobiology
Organic Chemistry
Mars Exploration Simulation
Meena Thayaparan
Metrics
H-Index
i10 Index
Citation Counts
3
2
65
Physical Chemistry
Environmental Chemistry
Industrial Chemistry
Green Chemistry
Kokila Ranasinghe
Metrics
H-Index
i10 Index
Citation Counts
3
1
55
Thulasi Sritharan
Metrics
H-Index
i10 Index
Citation Counts
3
1
34
Natural product Chemistry
Organic chemistry
Medicinal Chemistry
Edwehna Elinore S Paderna|Edwehna Elinore P. Gayon
Metrics
H-Index
i10 Index
Citation Counts
3
0
18
Design thinking
Context-based learning
Functional concept understanding
Functional skills
Learni
Kalingu Arachchilage Hasanka Kumara
Metrics
H-Index
i10 Index
Citation Counts
2
2
116
Chemistry
Food Chemistry
Instrumental methods in Chemistry
Cris Angelo Pagtalunan
Metrics
H-Index
i10 Index
Citation Counts
2
1
15
Materials Science
Inorganic Chemistry
Polymer Chemistry
Edcyl Lee Salac
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
natural products
organic chemistry
metabolomics
Dvd Hemalika
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Natural product chemistry
bio chemistry
Al Jerome Magsino
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
material science
inorganic chemistry
Olga Corales-Ultra
Metrics
H-Index
i10 Index
Citation Counts
1
1
21
Genne Patt O Samar, R Ch
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Organic Chemistry
Natural Products
Functional Materials
Allelopathy
Ruchi Pandey
Uttarakhand Open University
Haldwani, India
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Emmanouil Konstantinidis
Hellenic Open University
Patras, Greece
Metrics
H-Index
i10 Index
Citation Counts
0
0
0
analytical chemistry
cigarette
knime