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
37,266
Country Rank
228
Institution Rank : 57
![](https://cdn.adscientificindex.com/logos/11883.jpg)
![Israel](/flags/il.png)
![Brian Berkowitz](https://cdn.adscientificindex.com/pictures/84/304098.jpg)
Fluid Flow and Chemical Transport in Porous and Fractured Media
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,823
7,431
0.357
* Total Citation Counts Rankings
World Rank
38,184
Country Rank
319
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/3752.png)
![India](/flags/in.png)
![Vimal Chandra Srivastava](https://cdn.adscientificindex.com/pictures/85/410491.jpg)
Separation Processes & Catalysis
Pollution Abatement
Desulfurization
CO2 Utilization & Alternative Fuels
Nanomaterials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,470
9,884
0.483
* Total Citation Counts Rankings
World Rank
38,973
Country Rank
17,408
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/15817.png)
![United States](/flags/us.png)
![Marcia Huber](/user/assets/images/profile/no-profile-photo.png)
chemistry
physics
chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,174
9,778
0.485
* Total Citation Counts Rankings
World Rank
38,913
Country Rank
1,424
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/3037.png)
![China](/flags/cn.png)
![Ziyi Zhong](https://cdn.adscientificindex.com/pictures/c3/719386.jpg)
Heterogeneous catalysis
environmental science
surface chemistry
wastewater treatment
materials chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,164
8,564
0.425
* Total Citation Counts Rankings
World Rank
40,451
Country Rank
732
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/27082.png)
![Switzerland](/flags/ch.png)
![Heinz Singer](https://cdn.adscientificindex.com/pictures/52/4981399.jpg)
Analytical Chemistry
Environmental Chemistry
Mass Spectrometry
non-target Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,648
10,401
0.529
* Total Citation Counts Rankings
World Rank
40,457
Country Rank
598
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/6041.png)
![Japan](/flags/jp.png)
![Tsuyoshi Kawai](https://cdn.adscientificindex.com/pictures/93/410320.jpg)
Chemistry
Photochemistry
Material Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,647
7,158
0.364
* Total Citation Counts Rankings
World Rank
40,558
Country Rank
335
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/980.png)
![India](/flags/in.png)
![Benjaram Mahipal Reddy|Benjaram M. Reddy, B.M. Reddy, B. Mahipal Reddy](https://cdn.adscientificindex.com/pictures/8c/4411997.jpg)
Catalysis
Physical Chemistry
Materials Science
Nanomaterials
Green Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,609
8,292
0.423
* Total Citation Counts Rankings
World Rank
40,844
Country Rank
1,762
Institution Rank : 52
![](https://cdn.adscientificindex.com/logos/4768.png)
![Germany](/flags/de.png)
![Patrick Theato](https://cdn.adscientificindex.com/pictures/f0/1760908.jpg)
polymer chemistry
battery science
hydrogels
surfaces
chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,481
9,710
0.498
* Total Citation Counts Rankings
World Rank
41,284
Country Rank
405
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/5007.png)
![South Korea](/flags/kr.png)
![Jeong Young Park](https://cdn.adscientificindex.com/pictures/f7/299662.jpg)
surface science
catalysis
scanning probe microscopy
tribology
hot electron
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,361
9,893
0.511
* Total Citation Counts Rankings
World Rank
42,040
Country Rank
625
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/8943.png)
![Japan](/flags/jp.png)
![Masatomo Yashima](https://cdn.adscientificindex.com/pictures/39/410150.jpg)
Solid State Chemistry
Ceramics
Solid State Ionics
Crystal Structure
Crystallography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,095
6,394
0.335
* Total Citation Counts Rankings
World Rank
42,299
Country Rank
630
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/5126.jpg)
![Japan](/flags/jp.png)
![Teruhisa Ohno](https://cdn.adscientificindex.com/pictures/28/410703.jpg)
photocatalyst
energy conversion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,008
6,623
0.348
* Total Citation Counts Rankings
World Rank
42,683
Country Rank
364
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/3977.png)
![India](/flags/in.png)
![Ganapati D Yadav](https://cdn.adscientificindex.com/pictures/47/410103.jpg)
Green Chemistry & Engineering including Heterogeneous Catalysis including Phase transfer catalysis
Biochemical Engineering & Bi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,857
7,898
0.419
* Total Citation Counts Rankings
World Rank
43,265
Country Rank
793
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/27082.png)
![Switzerland](/flags/ch.png)
![Christa McArdell](https://cdn.adscientificindex.com/pictures/dc/4981400.jpg)
Environmental Chemistry
Organic Trace Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,677
8,554
0.458
* Total Citation Counts Rankings
World Rank
43,624
Country Rank
374
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/3743.png)
![India](/flags/in.png)
![Shaikh M Mobin](https://cdn.adscientificindex.com/pictures/5c/410714.jpg)
Material Chemistry
Coordination Chemistry
Organometallics
Bio-Sensors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,566
10,033
0.540
* Total Citation Counts Rankings
World Rank
43,710
Country Rank
375
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/3977.png)
![India](/flags/in.png)
![Lakshmi Kantam Mannepalli](https://cdn.adscientificindex.com/pictures/28/409853.jpg)
Catalysis
Process Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,515
4,533
0.245
* Total Citation Counts Rankings
World Rank
43,888
Country Rank
19,334
Institution Rank : 422
![](https://cdn.adscientificindex.com/logos/5568.jpg)
![United States](/flags/us.png)
![Mei Hong](https://cdn.adscientificindex.com/pictures/af/5113742.jpg)
biophysical chemistry
solid-state NMR
membrane proteins
amyloid proteins
plant cell walls
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,483
7,684
0.416
* Total Citation Counts Rankings
World Rank
43,843
Country Rank
442
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/9095.png)
![South Korea](/flags/kr.png)
![Ja Hun Kwak](/user/assets/images/profile/no-profile-photo.png)
catalysis
heterogeneous catalysis
environmental catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,500
8,220
0.444
* Total Citation Counts Rankings
World Rank
44,618
Country Rank
19,628
Institution Rank : 429
![](https://cdn.adscientificindex.com/logos/5568.jpg)
![United States](/flags/us.png)
![Ahmed F Ghoniem](https://cdn.adscientificindex.com/pictures/37/1324990.jpg)
energy
combustion
computational engineering
mechanical engineering
chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,267
7,884
0.432
* Total Citation Counts Rankings
World Rank
45,429
Country Rank
692
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/8943.png)
![Japan](/flags/jp.png)
![Ken Tanaka](/user/assets/images/profile/no-profile-photo.png)
organic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,025
6,215
0.345
* Total Citation Counts Rankings
World Rank
45,766
Country Rank
697
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/8943.png)
![Japan](/flags/jp.png)
![Munetaka Akita](https://cdn.adscientificindex.com/pictures/f7/410211.jpg)
organometallic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,934
6,999
0.390
* Total Citation Counts Rankings
World Rank
44,311
Country Rank
387
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/3741.png)
![India](/flags/in.png)
![MK Purkait](https://cdn.adscientificindex.com/pictures/e2/293553.jpg)
Environmental Engineering
Membrane Technology
Separation Science
Water and wastewater treatment technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,355
11,086
0.604
* Total Citation Counts Rankings
World Rank
45,097
Country Rank
401
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/3746.png)
![India](/flags/in.png)
![Tarun Gupta](https://cdn.adscientificindex.com/pictures/3b/413878.jpg)
Exposure Assessment
Source Apportionment
brown carbon
organic aerosols
aerosol chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,126
15,585
0.860
* Total Citation Counts Rankings
World Rank
47,405
Country Rank
2,044
Institution Rank : 59
![](https://cdn.adscientificindex.com/logos/4768.png)
![Germany](/flags/de.png)
![Olaf Deutschmann](https://cdn.adscientificindex.com/pictures/cd/1760910.jpg)
Chemical technology
Heterogeneous catalysis
Emission control
Circular economy
Modeling Simulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,445
7,276
0.417
* Total Citation Counts Rankings
World Rank
47,647
Country Rank
20,824
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/15817.png)
![United States](/flags/us.png)
![Lee J Richter](/user/assets/images/profile/no-profile-photo.png)
chemistry
physics
materials science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,387
6,406
0.368
* Total Citation Counts Rankings
World Rank
48,164
Country Rank
21,006
Institution Rank : 143
![](https://cdn.adscientificindex.com/logos/2840.jpg)
![United States](/flags/us.png)
![Robert Dickson](https://cdn.adscientificindex.com/pictures/16/1386954.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,273
3,721
0.215
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
37,266
![Israel](/flags/il.png)
228
![](https://cdn.adscientificindex.com/logos/11883.jpg)
57
Brian Berkowitz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,823
7,431
0.357
![](https://cdn.adscientificindex.com/logos/11883.jpg)
Fluid Flow and Chemical Transport in Porous and Fractured Media
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
38,184
![India](/flags/in.png)
319
![](https://cdn.adscientificindex.com/logos/3752.png)
3
Vimal Chandra Srivastava
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,470
9,884
0.483
![](https://cdn.adscientificindex.com/logos/3752.png)
Separation Processes & Catalysis
Pollution Abatement
Desulfurization
CO2 Utilization & Alternative Fuels
Nanomaterials
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
38,973
![United States](/flags/us.png)
17,408
![](https://cdn.adscientificindex.com/logos/15817.png)
33
Marcia Huber
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,174
9,778
0.485
![](https://cdn.adscientificindex.com/logos/15817.png)
chemistry
physics
chemical engineering
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
38,913
![China](/flags/cn.png)
1,424
![](https://cdn.adscientificindex.com/logos/3037.png)
3
Ziyi Zhong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,164
8,564
0.425
![](https://cdn.adscientificindex.com/logos/3037.png)
Heterogeneous catalysis
environmental science
surface chemistry
wastewater treatment
materials chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
40,451
![Switzerland](/flags/ch.png)
732
![](https://cdn.adscientificindex.com/logos/27082.png)
6
Heinz Singer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,648
10,401
0.529
![](https://cdn.adscientificindex.com/logos/27082.png)
Analytical Chemistry
Environmental Chemistry
Mass Spectrometry
non-target Analysis
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
40,457
![Japan](/flags/jp.png)
598
![](https://cdn.adscientificindex.com/logos/6041.png)
4
Tsuyoshi Kawai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,647
7,158
0.364
![](https://cdn.adscientificindex.com/logos/6041.png)
Chemistry
Photochemistry
Material Chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
40,558
![India](/flags/in.png)
335
![](https://cdn.adscientificindex.com/logos/980.png)
2
Benjaram Mahipal Reddy|Benjaram M. Reddy, B.M. Reddy, B. Mahipal Reddy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,609
8,292
0.423
![](https://cdn.adscientificindex.com/logos/980.png)
Catalysis
Physical Chemistry
Materials Science
Nanomaterials
Green Chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
40,844
![Germany](/flags/de.png)
1,762
![](https://cdn.adscientificindex.com/logos/4768.png)
52
Patrick Theato
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,481
9,710
0.498
![](https://cdn.adscientificindex.com/logos/4768.png)
polymer chemistry
battery science
hydrogels
surfaces
chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
41,284
![South Korea](/flags/kr.png)
405
![](https://cdn.adscientificindex.com/logos/5007.png)
33
Jeong Young Park
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,361
9,893
0.511
![](https://cdn.adscientificindex.com/logos/5007.png)
surface science
catalysis
scanning probe microscopy
tribology
hot electron
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
42,040
![Japan](/flags/jp.png)
625
![](https://cdn.adscientificindex.com/logos/8943.png)
15
Masatomo Yashima
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,095
6,394
0.335
![](https://cdn.adscientificindex.com/logos/8943.png)
Solid State Chemistry
Ceramics
Solid State Ionics
Crystal Structure
Crystallography
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* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
42,299
![Japan](/flags/jp.png)
630
![](https://cdn.adscientificindex.com/logos/5126.jpg)
2
Teruhisa Ohno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,008
6,623
0.348
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
42,683
![India](/flags/in.png)
364
![](https://cdn.adscientificindex.com/logos/3977.png)
5
Ganapati D Yadav
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,857
7,898
0.419
![](https://cdn.adscientificindex.com/logos/3977.png)
Green Chemistry & Engineering including Heterogeneous Catalysis including Phase transfer catalysis
Biochemical Engineering & Bi
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
43,265
![Switzerland](/flags/ch.png)
793
![](https://cdn.adscientificindex.com/logos/27082.png)
7
Christa McArdell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,677
8,554
0.458
![](https://cdn.adscientificindex.com/logos/27082.png)
Environmental Chemistry
Organic Trace Analysis
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
43,624
![India](/flags/in.png)
374
![](https://cdn.adscientificindex.com/logos/3743.png)
4
Shaikh M Mobin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,566
10,033
0.540
![](https://cdn.adscientificindex.com/logos/3743.png)
Material Chemistry
Coordination Chemistry
Organometallics
Bio-Sensors
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
43,710
![India](/flags/in.png)
375
![](https://cdn.adscientificindex.com/logos/3977.png)
6
Lakshmi Kantam Mannepalli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,515
4,533
0.245
![](https://cdn.adscientificindex.com/logos/3977.png)
Catalysis
Process Chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
43,888
![United States](/flags/us.png)
19,334
![](https://cdn.adscientificindex.com/logos/5568.jpg)
422
Mei Hong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,483
7,684
0.416
![](https://cdn.adscientificindex.com/logos/5568.jpg)
biophysical chemistry
solid-state NMR
membrane proteins
amyloid proteins
plant cell walls
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
43,843
![South Korea](/flags/kr.png)
442
![](https://cdn.adscientificindex.com/logos/9095.png)
16
Ja Hun Kwak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,500
8,220
0.444
![](https://cdn.adscientificindex.com/logos/9095.png)
catalysis
heterogeneous catalysis
environmental catalysis
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
44,618
![United States](/flags/us.png)
19,628
![](https://cdn.adscientificindex.com/logos/5568.jpg)
429
Ahmed F Ghoniem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,267
7,884
0.432
![](https://cdn.adscientificindex.com/logos/5568.jpg)
energy
combustion
computational engineering
mechanical engineering
chemical engineering
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
45,429
![Japan](/flags/jp.png)
692
![](https://cdn.adscientificindex.com/logos/8943.png)
21
Ken Tanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,025
6,215
0.345
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
45,766
![Japan](/flags/jp.png)
697
![](https://cdn.adscientificindex.com/logos/8943.png)
22
Munetaka Akita
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,934
6,999
0.390
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
44,311
![India](/flags/in.png)
387
![](https://cdn.adscientificindex.com/logos/3741.png)
2
MK Purkait
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,355
11,086
0.604
![](https://cdn.adscientificindex.com/logos/3741.png)
Environmental Engineering
Membrane Technology
Separation Science
Water and wastewater treatment technology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
45,097
![India](/flags/in.png)
401
![](https://cdn.adscientificindex.com/logos/3746.png)
6
Tarun Gupta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,126
15,585
0.860
![](https://cdn.adscientificindex.com/logos/3746.png)
Exposure Assessment
Source Apportionment
brown carbon
organic aerosols
aerosol chemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
47,405
![Germany](/flags/de.png)
2,044
![](https://cdn.adscientificindex.com/logos/4768.png)
59
Olaf Deutschmann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,445
7,276
0.417
![](https://cdn.adscientificindex.com/logos/4768.png)
Chemical technology
Heterogeneous catalysis
Emission control
Circular economy
Modeling Simulation
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
47,647
![United States](/flags/us.png)
20,824
![](https://cdn.adscientificindex.com/logos/15817.png)
41
Lee J Richter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,387
6,406
0.368
![](https://cdn.adscientificindex.com/logos/15817.png)
chemistry
physics
materials science
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
48,164
![United States](/flags/us.png)
21,006
![](https://cdn.adscientificindex.com/logos/2840.jpg)
143
Robert Dickson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,273
3,721
0.215