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
152,365
Country Rank
57,395
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![Kristin Wustholz](https://cdn.adscientificindex.com/pictures/f1/909554.jpg)
Single-molecule spectroscopy
blink-based multiplexing
super-resolved imaging
surface-enhanced Raman spectroscopy
art conserv
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,584
2,373
0.360
* Total Citation Counts Rankings
World Rank
178,386
Country Rank
65,566
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/8504.png)
![United States](/flags/us.png)
![William Winter](https://cdn.adscientificindex.com/pictures/30/1671064.jpg)
structural glycobiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,632
1,569
0.279
* Total Citation Counts Rankings
World Rank
506,188
Country Rank
158,071
Institution Rank : 136
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![Wirawan Purwanto](/user/assets/images/profile/no-profile-photo.png)
quantum chemistry
quantum monte carlo
electronic structure
computational science
high performance computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,592
1,134
0.712
* Total Citation Counts Rankings
World Rank
511,191
Country Rank
159,410
Institution Rank : 140
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![Rachel O Brien](https://cdn.adscientificindex.com/pictures/3e/909682.jpg)
aerosols
complex organic mixtures
mass spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,569
1,209
0.771
* Total Citation Counts Rankings
World Rank
562,227
Country Rank
172,895
Institution Rank : 153
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![John C Poutsma](https://cdn.adscientificindex.com/pictures/ee/909649.jpg)
gas-phase ion chemistry
mass spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,351
288
0.213
* Total Citation Counts Rankings
World Rank
870,649
Country Rank
246,831
Institution Rank : 210
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![Tyler Meldrum](https://cdn.adscientificindex.com/pictures/ae/909732.jpg)
physical chemistry
NMR
cultural heritage
conservation science
polymers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
558
225
0.403
* Total Citation Counts Rankings
World Rank
1,327,353
Country Rank
321,890
Institution Rank : 291
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![Isaiah R Speight](/user/assets/images/profile/no-profile-photo.png)
Inorganic Chemistry
Organometallic Chemistry
Mechanochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125
125
1.000
* Total Citation Counts Rankings
World Rank
1,623,599
Country Rank
365,623
Institution Rank : 328
![](https://cdn.adscientificindex.com/logos/1713.png)
![United States](/flags/us.png)
![Jordan T Walk](/pictures/17/5247022.jpg)
Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
152,365
![United States](/flags/us.png)
57,395
![](https://cdn.adscientificindex.com/logos/1713.png)
36
Kristin Wustholz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,584
2,373
0.360
![](https://cdn.adscientificindex.com/logos/1713.png)
Single-molecule spectroscopy
blink-based multiplexing
super-resolved imaging
surface-enhanced Raman spectroscopy
art conserv
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
178,386
![United States](/flags/us.png)
65,566
![](https://cdn.adscientificindex.com/logos/8504.png)
16
William Winter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,632
1,569
0.279
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
506,188
![United States](/flags/us.png)
158,071
![](https://cdn.adscientificindex.com/logos/1713.png)
136
Wirawan Purwanto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,592
1,134
0.712
![](https://cdn.adscientificindex.com/logos/1713.png)
quantum chemistry
quantum monte carlo
electronic structure
computational science
high performance computing
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
511,191
![United States](/flags/us.png)
159,410
![](https://cdn.adscientificindex.com/logos/1713.png)
140
Rachel O Brien
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,569
1,209
0.771
![](https://cdn.adscientificindex.com/logos/1713.png)
aerosols
complex organic mixtures
mass spectrometry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
562,227
![United States](/flags/us.png)
172,895
![](https://cdn.adscientificindex.com/logos/1713.png)
153
John C Poutsma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,351
288
0.213
![](https://cdn.adscientificindex.com/logos/1713.png)
gas-phase ion chemistry
mass spectrometry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
870,649
![United States](/flags/us.png)
246,831
![](https://cdn.adscientificindex.com/logos/1713.png)
210
Tyler Meldrum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
558
225
0.403
![](https://cdn.adscientificindex.com/logos/1713.png)
physical chemistry
NMR
cultural heritage
conservation science
polymers
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,327,353
![United States](/flags/us.png)
321,890
![](https://cdn.adscientificindex.com/logos/1713.png)
291
Isaiah R Speight
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125
125
1.000
![](https://cdn.adscientificindex.com/logos/1713.png)
Inorganic Chemistry
Organometallic Chemistry
Mechanochemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,623,599
![United States](/flags/us.png)
365,623
![](https://cdn.adscientificindex.com/logos/1713.png)
328
Jordan T Walk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569