Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, 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)
![Mark Johnson](https://cdn.adscientificindex.com/pictures/3e/1451442.jpg)
cognitive science
philosophy of language
moral theory
aesthetics
American Philosophy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
169,021
47,911
0.283
![Ashish Khanna](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,766
20,347
0.856
![Paul Pierson](/user/assets/images/profile/no-profile-photo.png)
American Politics
Comparative Politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,655
17,847
0.268
![Gaurav Dhiman](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,446
14,270
0.988
![Rami Zurayk|Rami Zreik](https://cdn.adscientificindex.com/pictures/77/338540.jpg)
Socio-ecological systems
Rural development
landscape analysis
political ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,172
13,669
0.901
![Henry E Brady](/user/assets/images/profile/no-profile-photo.png)
American politics
political methodology
public opinion
comparative politics of post-communist countries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,129
12,420
0.269
* Last 6 Years Citation Counts Rankings
![John W Kingdon](https://cdn.adscientificindex.com/pictures/73/1303381.jpg)
American national government
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,800
10,862
0.266
* Last 6 Years Citation Counts Rankings
![Arthur Lupia](https://cdn.adscientificindex.com/pictures/d8/1297835.jpg)
Political Science
American Politics
Science Communication
Persuasion
Public Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,597
10,358
0.405
* Last 6 Years Citation Counts Rankings
![Dan Hopkins](/user/assets/images/profile/no-profile-photo.png)
American politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,414
8,995
0.671
* Last 6 Years Citation Counts Rankings
![Carlos Alberto Torres](https://cdn.adscientificindex.com/pictures/eb/1750722.jpg)
Political sociology of education
Comparative and International Education
Latin American Studies
Global Citizenship Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,922
7,067
0.295
![Robert Singh](/user/assets/images/profile/no-profile-photo.png)
American politics
US foreign policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,510
6,916
0.553
![Joseph Uscinski](https://cdn.adscientificindex.com/pictures/97/1303598.jpg)
Conspiracy Theories
Public Opinion
Media
Political Psychology
American Politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,556
6,808
0.901
* Last 6 Years Citation Counts Rankings
![Nicholas A Valentino](https://cdn.adscientificindex.com/pictures/72/1291441.jpg)
Political Science
American Politics
Political Behavior
Race and Politics
Experimental Methods
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,794
6,638
0.449
![Xavier Fernando](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,568
6,446
0.674
* Last 6 Years Citation Counts Rankings
![Michael Delli Carpini](https://cdn.adscientificindex.com/pictures/d5/1458149.jpg)
Political Communication
Public Opinion
Political Behavior
Political Psychology
American Politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,206
6,285
0.283
* Last 6 Years Citation Counts Rankings
![Gabriel S Lenz](https://cdn.adscientificindex.com/pictures/c1/1733238.jpg)
Democratic Accountability
American Politics
Political Behavior
Campaigns and Elections
Political
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,874
6,201
0.522
![Ali Chehab](https://cdn.adscientificindex.com/pictures/20/348307.jpg)
Cryptography & Security
Cloud Computing
Cognitive Analytics Management
Wireless Communications
VLSI Design & Test
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,846
5,733
0.731
![Mutasem El Fadel](https://cdn.adscientificindex.com/pictures/4a/338536.jpg)
Waste management
Water resources management
Air pollution control
Climate change and sustainable development
Environmental i
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,991
4,942
0.412
![Muthmainnah S.](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,582
4,801
0.860
![David E Campbell](https://cdn.adscientificindex.com/pictures/e3/1454135.jpg)
American politics
political behavior
religion and politics
civic engagement
political participation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,101
4,743
0.392
* Last 6 Years Citation Counts Rankings
![Craig Volden](https://cdn.adscientificindex.com/pictures/34/1683170.jpg)
Congress
Federalism
American Politics
Political Institutions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,625
4,581
0.431
* Last 6 Years Citation Counts Rankings
![David E Broockman](https://cdn.adscientificindex.com/pictures/ca/1732186.jpg)
Political Science
American Politics
Polarization
Public Opinion
Field Experiments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,047
4,518
0.747
![Mohamed Ben-Daya](https://cdn.adscientificindex.com/pictures/48/2040280.jpg)
Operations Research
Supply Chain Management
Maintenance Digital Transformation and Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,282
4,421
0.430
![Manish Kumar](https://cdn.adscientificindex.com/pictures/f8/4818018.jpg)
Pharmacology
Pharmaceuticals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,333
4,293
0.678
* Last 6 Years Citation Counts Rankings
![David Redlawsk](https://cdn.adscientificindex.com/pictures/81/1777667.jpg)
Political Psychology
Political Behavior
American Politics
Voting Behavior
Political Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,169
4,012
0.395
Mark Johnson
University of Oregon
Eugene, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
169,021
47,911
0.283
cognitive science
philosophy of language
moral theory
aesthetics
American Philosophy
Ashish Khanna
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,766
20,347
0.856
Paul Pierson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,655
17,847
0.268
American Politics
Comparative Politics
Gaurav Dhiman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,446
14,270
0.988
Rami Zurayk|Rami Zreik
American University of Beirut
Beirut, Lebanon
![Lebanon](/flags/lb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,172
13,669
0.901
Socio-ecological systems
Rural development
landscape analysis
political ecology
Henry E Brady
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,129
12,420
0.269
American politics
political methodology
public opinion
comparative politics of post-communist countries
John W Kingdon
University of Michigan
Ann Arbor, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,800
10,862
0.266
American national government
Arthur Lupia
University of Michigan
Ann Arbor, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,597
10,358
0.405
Political Science
American Politics
Science Communication
Persuasion
Public Policy
Dan Hopkins
University of Pennsylvania
Philadelphia, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,414
8,995
0.671
Carlos Alberto Torres
University of California Los Angeles
Los Angeles, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,922
7,067
0.295
Political sociology of education
Comparative and International Education
Latin American Studies
Global Citizenship Education
Robert Singh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,510
6,916
0.553
American politics
US foreign policy
Joseph Uscinski
University of Miami
Coral Gables, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,556
6,808
0.901
Conspiracy Theories
Public Opinion
Media
Political Psychology
American Politics
Nicholas A Valentino
University of Michigan
Ann Arbor, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,794
6,638
0.449
Political Science
American Politics
Political Behavior
Race and Politics
Experimental Methods
Xavier Fernando
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,568
6,446
0.674
Michael Delli Carpini
University of Pennsylvania
Philadelphia, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,206
6,285
0.283
Political Communication
Public Opinion
Political Behavior
Political Psychology
American Politics
Gabriel S Lenz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,874
6,201
0.522
Democratic Accountability
American Politics
Political Behavior
Campaigns and Elections
Political
Ali Chehab
American University of Beirut
Beirut, Lebanon
![Lebanon](/flags/lb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,846
5,733
0.731
Cryptography & Security
Cloud Computing
Cognitive Analytics Management
Wireless Communications
VLSI Design & Test
Mutasem El Fadel
American University of Beirut
Beirut, Lebanon
![Lebanon](/flags/lb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,991
4,942
0.412
Waste management
Water resources management
Air pollution control
Climate change and sustainable development
Environmental i
Muthmainnah S.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,582
4,801
0.860
David E Campbell
University of Notre Dame
Notre Dame, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,101
4,743
0.392
American politics
political behavior
religion and politics
civic engagement
political participation
Craig Volden
University of Virginia
Charlottesville, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,625
4,581
0.431
Congress
Federalism
American Politics
Political Institutions
David E Broockman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,047
4,518
0.747
Political Science
American Politics
Polarization
Public Opinion
Field Experiments
Mohamed Ben-Daya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,282
4,421
0.430
Operations Research
Supply Chain Management
Maintenance Digital Transformation and Sustainability
Manish Kumar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,333
4,293
0.678
Pharmacology
Pharmaceuticals
David Redlawsk
University of Delaware
Newark, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,169
4,012
0.395
Political Psychology
Political Behavior
American Politics
Voting Behavior
Political Science