Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
86,993
Country Rank
35,428
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Roberto Peverati](https://cdn.adscientificindex.com/pictures/99/1365031.jpg)
Density Functional Theory
Theoretical Chemistry
Computational Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,892
6,562
0.602
* Total Citation Counts Rankings
World Rank
282,529
Country Rank
96,504
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Rudolf J Wehmschulte](https://cdn.adscientificindex.com/pictures/43/1322560.jpg)
organometallic chemistry
main group chemistry
Lewis Acids
catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,427
795
0.232
* Total Citation Counts Rankings
World Rank
368,365
Country Rank
120,703
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![D Andrew Knight](https://cdn.adscientificindex.com/pictures/9b/1364985.jpg)
Inorganic Chemistry
Catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,479
1,003
0.405
* Total Citation Counts Rankings
World Rank
411,349
Country Rank
132,440
Institution Rank : 54
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Nasri Nesnas](https://cdn.adscientificindex.com/pictures/9e/1322518.jpg)
Chemical Neuroscience
Vision
Catalysis
Natural products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,140
921
0.430
* Total Citation Counts Rankings
World Rank
426,799
Country Rank
136,721
Institution Rank : 56
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Norito Takenaka](https://cdn.adscientificindex.com/pictures/f0/1322523.jpg)
organic chemistry catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,036
609
0.299
* Total Citation Counts Rankings
World Rank
522,972
Country Rank
162,551
Institution Rank : 78
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Alan B Brown](/user/assets/images/profile/no-profile-photo.png)
Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,516
770
0.508
* Total Citation Counts Rankings
World Rank
801,202
Country Rank
231,626
Institution Rank : 124
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Andrew Palmer](https://cdn.adscientificindex.com/pictures/49/1322647.jpg)
chemical biology
chemical ecology
plant biology
microbiology
astrobiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
689
373
0.541
* Total Citation Counts Rankings
World Rank
982,630
Country Rank
268,982
Institution Rank : 144
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Melissa Tribou](https://cdn.adscientificindex.com/pictures/61/4723110.jpg)
marine materials
biofouling
corrosion
marine chemistry
underwater vehicles and hull grooming
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
381
207
0.543
* Total Citation Counts Rankings
World Rank
1,049,739
Country Rank
280,483
Institution Rank : 150
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Jessica L. Smeltz](/user/assets/images/profile/no-profile-photo.png)
Inorganic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
299
145
0.485
* Total Citation Counts Rankings
World Rank
1,559,298
Country Rank
356,535
Institution Rank : 199
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Stephen Smith](/user/assets/images/profile/no-profile-photo.png)
Analytical chemistry
nanochemistry
formulation chemistry
agrochemical and drug delivery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
62
1.000
* Total Citation Counts Rankings
World Rank
1,708,477
Country Rank
377,358
Institution Rank : 217
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Eric Ziegler](/user/assets/images/profile/no-profile-photo.png)
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
36
0.947
* Total Citation Counts Rankings
World Rank
1,765,288
Country Rank
384,958
Institution Rank : 225
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Charitha Guruge](https://cdn.adscientificindex.com/pictures/aa/5680787.jpg)
Organic synthesis
Medicinal Chemistry
Photoresponsive molecules
Catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
29
0.935
* Total Citation Counts Rankings
World Rank
1,785,994
Country Rank
387,548
Institution Rank : 231
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Grace Abban,](/user/assets/images/profile/no-profile-photo.png)
Synthetic Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total Citation Counts Rankings
World Rank
1,868,083
Country Rank
398,045
Institution Rank : 252
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Shiyu Sun](/user/assets/images/profile/no-profile-photo.png)
organic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
* Total Citation Counts Rankings
World Rank
1,983,686
Country Rank
411,965
Institution Rank : 266
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Sultan Durhub Alshammari](/pictures/2d/5382070.jpg)
Chemistry
Polymer synthesis
Drug delivery
Catalysts
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
World Rank
2,159,292
Country Rank
430,346
Institution Rank : 300
![](https://cdn.adscientificindex.com/logos/2648.png)
![United States](/flags/us.png)
![Anand Afhaima](/user/assets/images/profile/no-profile-photo.png)
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
86,993
![United States](/flags/us.png)
35,428
![](https://cdn.adscientificindex.com/logos/2648.png)
10
Roberto Peverati
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,892
6,562
0.602
![](https://cdn.adscientificindex.com/logos/2648.png)
Density Functional Theory
Theoretical Chemistry
Computational Chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
282,529
![United States](/flags/us.png)
96,504
![](https://cdn.adscientificindex.com/logos/2648.png)
25
Rudolf J Wehmschulte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,427
795
0.232
![](https://cdn.adscientificindex.com/logos/2648.png)
organometallic chemistry
main group chemistry
Lewis Acids
catalysis
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
368,365
![United States](/flags/us.png)
120,703
![](https://cdn.adscientificindex.com/logos/2648.png)
43
D Andrew Knight
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,479
1,003
0.405
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
411,349
![United States](/flags/us.png)
132,440
![](https://cdn.adscientificindex.com/logos/2648.png)
54
Nasri Nesnas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,140
921
0.430
![](https://cdn.adscientificindex.com/logos/2648.png)
Chemical Neuroscience
Vision
Catalysis
Natural products
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
426,799
![United States](/flags/us.png)
136,721
![](https://cdn.adscientificindex.com/logos/2648.png)
56
Norito Takenaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,036
609
0.299
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
522,972
![United States](/flags/us.png)
162,551
![](https://cdn.adscientificindex.com/logos/2648.png)
78
Alan B Brown
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,516
770
0.508
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
801,202
![United States](/flags/us.png)
231,626
![](https://cdn.adscientificindex.com/logos/2648.png)
124
Andrew Palmer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
689
373
0.541
![](https://cdn.adscientificindex.com/logos/2648.png)
chemical biology
chemical ecology
plant biology
microbiology
astrobiology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
982,630
![United States](/flags/us.png)
268,982
![](https://cdn.adscientificindex.com/logos/2648.png)
144
Melissa Tribou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
381
207
0.543
![](https://cdn.adscientificindex.com/logos/2648.png)
marine materials
biofouling
corrosion
marine chemistry
underwater vehicles and hull grooming
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,049,739
![United States](/flags/us.png)
280,483
![](https://cdn.adscientificindex.com/logos/2648.png)
150
Jessica L. Smeltz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
299
145
0.485
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,559,298
![United States](/flags/us.png)
356,535
![](https://cdn.adscientificindex.com/logos/2648.png)
199
Stephen Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
62
1.000
![](https://cdn.adscientificindex.com/logos/2648.png)
Analytical chemistry
nanochemistry
formulation chemistry
agrochemical and drug delivery
![Adscientificindex](/assets/images/banner_logo.png)
Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
![Adscientificindex](/assets/images/banner_click.png)
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,708,477
![United States](/flags/us.png)
377,358
![](https://cdn.adscientificindex.com/logos/2648.png)
217
Eric Ziegler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
36
0.947
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,765,288
![United States](/flags/us.png)
384,958
![](https://cdn.adscientificindex.com/logos/2648.png)
225
Charitha Guruge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
29
0.935
![](https://cdn.adscientificindex.com/logos/2648.png)
Organic synthesis
Medicinal Chemistry
Photoresponsive molecules
Catalysis
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,785,994
![United States](/flags/us.png)
387,548
![](https://cdn.adscientificindex.com/logos/2648.png)
231
Grace Abban,
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,868,083
![United States](/flags/us.png)
398,045
![](https://cdn.adscientificindex.com/logos/2648.png)
252
Shiyu Sun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,983,686
![United States](/flags/us.png)
411,965
![](https://cdn.adscientificindex.com/logos/2648.png)
266
Sultan Durhub Alshammari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![](https://cdn.adscientificindex.com/logos/2648.png)
Chemistry
Polymer synthesis
Drug delivery
Catalysts
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
2,159,292
![United States](/flags/us.png)
430,346
![](https://cdn.adscientificindex.com/logos/2648.png)
300
Anand Afhaima
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000