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
715
Country Rank
287
Institution Rank : 1
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![United States](/flags/us.png)
![Regina Caputo](/user/assets/images/profile/no-profile-photo.png)
Dark Matter
gamma-ray astrophysics
multimessenger astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
205,095
65,120
0.318
* Total Citation Counts Rankings
World Rank
1,871
Country Rank
855
Institution Rank : 2
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![United States](/flags/us.png)
![Leo Singer](https://cdn.adscientificindex.com/pictures/71/4385808.jpg)
Gravitational Waves
Optical Transients
Gamma-ray Bursts
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127,188
102,563
0.806
* Total Citation Counts Rankings
World Rank
2,778
Country Rank
1,327
Institution Rank : 3
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![United States](/flags/us.png)
![Edward J Wollack](https://cdn.adscientificindex.com/pictures/82/4394839.jpg)
Astrophysics
Cosmology
Instrumentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,576
28,689
0.277
* Total Citation Counts Rankings
World Rank
7,555
Country Rank
3,612
Institution Rank : 9
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![United States](/flags/us.png)
![Jon M Jenkins](https://cdn.adscientificindex.com/pictures/4e/4398596.jpg)
exoplanets planets
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,207
30,018
0.516
* Total Citation Counts Rankings
World Rank
12,339
Country Rank
5,893
Institution Rank : 16
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![United States](/flags/us.png)
![Eleonora Troja](https://cdn.adscientificindex.com/pictures/8a/4394911.jpg)
High Energy Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,813
21,868
0.511
* Total Citation Counts Rankings
World Rank
14,492
Country Rank
6,892
Institution Rank : 19
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![United States](/flags/us.png)
![Andrés Alejandro Plazas Malagón](https://cdn.adscientificindex.com/pictures/8c/4390997.jpg)
Weak Lensing
Cosmology
Instrumentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,797
32,582
0.840
* Total Citation Counts Rankings
World Rank
18,007
Country Rank
8,470
Institution Rank : 27
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![United States](/flags/us.png)
![Paolo Serra](https://cdn.adscientificindex.com/pictures/fe/4388763.jpg)
Theoretical Cosmology and Astrophysics - Cosmic Microwave Background - Cosmic Infrared Background - Data analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,777
16,111
0.477
* Total Citation Counts Rankings
World Rank
19,720
Country Rank
9,231
Institution Rank : 30
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![United States](/flags/us.png)
![Paul Goldsmith](/user/assets/images/profile/no-profile-photo.png)
astronomy
star formation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,868
10,338
0.324
* Total Citation Counts Rankings
World Rank
21,300
Country Rank
9,914
Institution Rank : 33
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![United States](/flags/us.png)
![Judith Racusin](/user/assets/images/profile/no-profile-photo.png)
Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,324
15,464
0.510
* Total Citation Counts Rankings
World Rank
25,377
Country Rank
11,722
Institution Rank : 46
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![United States](/flags/us.png)
![James E Rhoads](https://cdn.adscientificindex.com/pictures/e8/4397284.jpg)
Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,079
7,111
0.263
* Total Citation Counts Rankings
World Rank
26,165
Country Rank
12,059
Institution Rank : 51
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![United States](/flags/us.png)
![Kartik Sheth](https://cdn.adscientificindex.com/pictures/c5/4399318.jpg)
Astronomy
Galaxy Evolution
Cosmology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,542
10,219
0.385
* Total Citation Counts Rankings
World Rank
26,686
Country Rank
12,290
Institution Rank : 52
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![United States](/flags/us.png)
![Nat Gopalswamy](/user/assets/images/profile/no-profile-photo.png)
Solar Physics
Radio Astronomy
Space Weather
Coronal Mass Ejections
Radio Bursts
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,194
9,419
0.360
* Total Citation Counts Rankings
World Rank
27,582
Country Rank
12,682
Institution Rank : 55
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![United States](/flags/us.png)
![Tom Barclay](https://cdn.adscientificindex.com/pictures/50/4383682.jpg)
Exoplanets
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,599
15,496
0.605
* Total Citation Counts Rankings
World Rank
28,115
Country Rank
12,914
Institution Rank : 56
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![United States](/flags/us.png)
![Scott Sandford](/user/assets/images/profile/no-profile-photo.png)
Astronomy
Astrophysics
Meteoritics
Astrobiology
Astrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,297
7,346
0.290
* Total Citation Counts Rankings
World Rank
31,449
Country Rank
14,317
Institution Rank : 64
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![United States](/flags/us.png)
![Timothy J Lee](https://cdn.adscientificindex.com/pictures/f8/4383596.jpg)
chemistry
physics
astrochemistry
theoretical chemistry
spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,435
7,255
0.310
* Total Citation Counts Rankings
World Rank
32,934
Country Rank
14,922
Institution Rank : 66
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![United States](/flags/us.png)
![Vadim N Smelyanskiy](/user/assets/images/profile/no-profile-photo.png)
physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,703
19,356
0.853
* Total Citation Counts Rankings
World Rank
34,443
Country Rank
15,580
Institution Rank : 76
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![United States](/flags/us.png)
![Alessandro Bruno](https://cdn.adscientificindex.com/pictures/b0/4390462.jpg)
Astroparticle physics
Solar energetic particles
Earth's magnetosphere
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,963
10,332
0.470
* Total Citation Counts Rankings
World Rank
36,464
Country Rank
16,381
Institution Rank : 80
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![United States](/flags/us.png)
![Jason Glenn](/user/assets/images/profile/no-profile-photo.png)
astrophysics
instrumentation
detectors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,112
6,163
0.292
* Total Citation Counts Rankings
World Rank
32,607
Country Rank
14,780
Institution Rank : 65
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![United States](/flags/us.png)
![Amanda L Steinhebel](https://cdn.adscientificindex.com/pictures/94/4390731.jpg)
high energy physics
gamma ray astronomy
particle detector development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,872
22,391
0.979
* Total Citation Counts Rankings
World Rank
37,662
Country Rank
16,887
Institution Rank : 84
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![United States](/flags/us.png)
![Keith Arnaud](/user/assets/images/profile/no-profile-photo.png)
X-ray astrophysics
astrostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,638
5,404
0.262
* Total Citation Counts Rankings
World Rank
39,318
Country Rank
17,547
Institution Rank : 86
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![United States](/flags/us.png)
![David Sibeck](/user/assets/images/profile/no-profile-photo.png)
space physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,016
7,282
0.364
* Total Citation Counts Rankings
World Rank
40,906
Country Rank
18,187
Institution Rank : 88
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![United States](/flags/us.png)
![William D Langer](/user/assets/images/profile/no-profile-photo.png)
astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,458
3,396
0.175
* Total Citation Counts Rankings
World Rank
41,068
Country Rank
18,247
Institution Rank : 90
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![United States](/flags/us.png)
![Brian Markham](/user/assets/images/profile/no-profile-photo.png)
Remote Sensing
Radiometry
Optical Sensors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,409
6,134
0.316
* Total Citation Counts Rankings
World Rank
41,517
Country Rank
18,423
Institution Rank : 92
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![United States](/flags/us.png)
![Patrick Morrissey](https://cdn.adscientificindex.com/pictures/64/4388857.jpg)
Astronomy
Instrumentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,247
5,283
0.274
* Total Citation Counts Rankings
World Rank
41,692
Country Rank
18,492
Institution Rank : 93
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![United States](/flags/us.png)
![J Scott Smith](/user/assets/images/profile/no-profile-photo.png)
optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,190
8,088
0.421
* Total Citation Counts Rankings
World Ranking
715
Country Ranking
287
Institution Ranking
1
Regina Caputo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
205,095
65,120
0.318
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Dark Matter
gamma-ray astrophysics
multimessenger astrophysics
* Total Citation Counts Rankings
World Ranking
1,871
Country Ranking
855
Institution Ranking
2
Leo Singer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127,188
102,563
0.806
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Gravitational Waves
Optical Transients
Gamma-ray Bursts
* Total Citation Counts Rankings
World Ranking
2,778
Country Ranking
1,327
Institution Ranking
3
Edward J Wollack
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,576
28,689
0.277
* Total Citation Counts Rankings
World Ranking
7,555
Country Ranking
3,612
Institution Ranking
9
Jon M Jenkins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,207
30,018
0.516
* Total Citation Counts Rankings
World Ranking
12,339
Country Ranking
5,893
Institution Ranking
16
Eleonora Troja
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,813
21,868
0.511
* Total Citation Counts Rankings
World Ranking
14,492
Country Ranking
6,892
Institution Ranking
19
Andrés Alejandro Plazas Malagón
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,797
32,582
0.840
* Total Citation Counts Rankings
World Ranking
18,007
Country Ranking
8,470
Institution Ranking
27
Paolo Serra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,777
16,111
0.477
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Theoretical Cosmology and Astrophysics - Cosmic Microwave Background - Cosmic Infrared Background - Data analysis
* Total Citation Counts Rankings
World Ranking
19,720
Country Ranking
9,231
Institution Ranking
30
Paul Goldsmith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,868
10,338
0.324
* Total Citation Counts Rankings
World Ranking
21,300
Country Ranking
9,914
Institution Ranking
33
Judith Racusin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,324
15,464
0.510
* Total Citation Counts Rankings
World Ranking
25,377
Country Ranking
11,722
Institution Ranking
46
James E Rhoads
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,079
7,111
0.263
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* Total Citation Counts Rankings
World Ranking
26,165
Country Ranking
12,059
Institution Ranking
51
Kartik Sheth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,542
10,219
0.385
* Total Citation Counts Rankings
World Ranking
26,686
Country Ranking
12,290
Institution Ranking
52
Nat Gopalswamy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,194
9,419
0.360
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Solar Physics
Radio Astronomy
Space Weather
Coronal Mass Ejections
Radio Bursts
* Total Citation Counts Rankings
World Ranking
27,582
Country Ranking
12,682
Institution Ranking
55
Tom Barclay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,599
15,496
0.605
* Total Citation Counts Rankings
World Ranking
28,115
Country Ranking
12,914
Institution Ranking
56
Scott Sandford
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,297
7,346
0.290
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Astronomy
Astrophysics
Meteoritics
Astrobiology
Astrochemistry
* Total Citation Counts Rankings
World Ranking
31,449
Country Ranking
14,317
Institution Ranking
64
Timothy J Lee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,435
7,255
0.310
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chemistry
physics
astrochemistry
theoretical chemistry
spectroscopy
* Total Citation Counts Rankings
World Ranking
32,934
Country Ranking
14,922
Institution Ranking
66
Vadim N Smelyanskiy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,703
19,356
0.853
* Total Citation Counts Rankings
World Ranking
34,443
Country Ranking
15,580
Institution Ranking
76
Alessandro Bruno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,963
10,332
0.470
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Astroparticle physics
Solar energetic particles
Earth's magnetosphere
* Total Citation Counts Rankings
World Ranking
36,464
Country Ranking
16,381
Institution Ranking
80
Jason Glenn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,112
6,163
0.292
* Total Citation Counts Rankings
World Ranking
32,607
Country Ranking
14,780
Institution Ranking
65
Amanda L Steinhebel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,872
22,391
0.979
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high energy physics
gamma ray astronomy
particle detector development
* Total Citation Counts Rankings
World Ranking
37,662
Country Ranking
16,887
Institution Ranking
84
Keith Arnaud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,638
5,404
0.262
* Total Citation Counts Rankings
World Ranking
39,318
Country Ranking
17,547
Institution Ranking
86
David Sibeck
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,016
7,282
0.364
* Total Citation Counts Rankings
World Ranking
40,906
Country Ranking
18,187
Institution Ranking
88
William D Langer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,458
3,396
0.175
* Total Citation Counts Rankings
World Ranking
41,068
Country Ranking
18,247
Institution Ranking
90
Brian Markham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,409
6,134
0.316
* Total Citation Counts Rankings
World Ranking
41,517
Country Ranking
18,423
Institution Ranking
92
Patrick Morrissey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,247
5,283
0.274
* Total Citation Counts Rankings
World Ranking
41,692
Country Ranking
18,492
Institution Ranking
93
J Scott Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,190
8,088
0.421