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)
![David L Morgan](https://cdn.adscientificindex.com/pictures/a8/892878.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,803
19,668
0.290
![Ravi S Ramani](https://cdn.adscientificindex.com/pictures/9b/845122.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,317
2,248
0.970
* Last 6 Years Citation Counts Rankings
![Abby R Whittington Abby Morgan|Abby W Morgan](https://cdn.adscientificindex.com/pictures/b7/1365080.jpg)
Medical Devices
Device Characterization
Biobased Materials
Degradable Polymers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,254
1,754
0.539
* Last 6 Years Citation Counts Rankings
![Ascend Build Morgan](https://cdn.adscientificindex.com/pictures/1e/845117.jpg)
Varied
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,525
1,396
0.915
* Last 6 Years Citation Counts Rankings
![Nicole R Morgan](https://cdn.adscientificindex.com/pictures/b2/881365.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,618
1,019
0.630
* Last 6 Years Citation Counts Rankings
![Jennifer Craft Morgan](https://cdn.adscientificindex.com/pictures/29/1414689.jpg)
workforce aging
direct care workers
healthcare workforce
work over the life course
methods
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,906
947
0.497
* Last 6 Years Citation Counts Rankings
![Mansoureh Jeihani](/user/assets/images/profile/no-profile-photo.png)
Travelers' Behavior
Traffic Safety
Transportation Planning and Modeling
ITS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,207
850
0.704
* Last 6 Years Citation Counts Rankings
![Arif Mahmud](https://cdn.adscientificindex.com/pictures/5c/860521.jpg)
Maternal and Child Health
International Health
Health Systems
Epidemiology
Community-Based Participatory Research (CBPR)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,299
832
0.640
* Last 6 Years Citation Counts Rankings
![Morgan Defoort](https://cdn.adscientificindex.com/pictures/08/910808.jpg)
Energy
Biofuels
Engines
Natural Gas
Biomass Stoves
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,331
655
0.492
* Last 6 Years Citation Counts Rankings
![Mary K Foster](https://cdn.adscientificindex.com/pictures/33/845120.jpg)
team & organizational effectiveness
virtual teams
instructional design
effective teaching and learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
815
504
0.618
* Last 6 Years Citation Counts Rankings
![Virginia L Byrne](https://cdn.adscientificindex.com/pictures/d5/5643408.jpg)
Online Learning
Higher Education
Student Affairs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
429
417
0.972
* Last 6 Years Citation Counts Rankings
![Haesang Park](/user/assets/images/profile/no-profile-photo.png)
Organizational behavior and Human resource management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
387
0.900
* Last 6 Years Citation Counts Rankings
![Jocelyn Turner Musa](https://cdn.adscientificindex.com/pictures/53/845128.jpg)
Health disparities
Research Education
Health Promotion & Disease Prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
616
369
0.599
* Last 6 Years Citation Counts Rankings
![Shimi Naurin Ahmad](https://cdn.adscientificindex.com/pictures/c5/4631925.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
441
362
0.821
* Last 6 Years Citation Counts Rankings
![Getachew K Befekadu](https://cdn.adscientificindex.com/pictures/57/845124.jpg)
Large-scale systems
Optimal control theory
Reliability analysis
Risk analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
569
358
0.629
* Last 6 Years Citation Counts Rankings
![Amirreza Nickkar](https://cdn.adscientificindex.com/pictures/ce/5636776.jpg)
Automated Transit Systems
Connected Vehicle Technology
Shared Mobility
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
346
340
0.983
* Last 6 Years Citation Counts Rankings
![Huey Lian Sun](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,055
334
0.317
* Last 6 Years Citation Counts Rankings
![Vinay Sharma](https://cdn.adscientificindex.com/pictures/d7/5642417.jpg)
Magnetization dynamics
Spintronics
Nanomagnetics
Microwave devices
Thin films
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
354
333
0.941
* Last 6 Years Citation Counts Rankings
![Sandip Patel](https://cdn.adscientificindex.com/pictures/25/845112.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
914
328
0.359
* Last 6 Years Citation Counts Rankings
![Michael Callow](https://cdn.adscientificindex.com/pictures/85/845116.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695
327
0.471
* Last 6 Years Citation Counts Rankings
![Fasil Abebe](https://cdn.adscientificindex.com/pictures/6c/4458867.jpg)
Microwave-assisted synthesis and characterization of fluorescent compounds
photochemistry
dye synthezied solar cell (DSSC)
en
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
496
319
0.643
* Last 6 Years Citation Counts Rankings
![Marshall M Cohen](/user/assets/images/profile/no-profile-photo.png)
Riordan group
formal power series
topology
geometric group theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,654
275
0.166
* Last 6 Years Citation Counts Rankings
![Gregory L Newmark](https://cdn.adscientificindex.com/pictures/f1/5487026.jpg)
Sustainable Transport
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
382
252
0.660
* Last 6 Years Citation Counts Rankings
![Melissa Littlefield](https://cdn.adscientificindex.com/pictures/50/845126.jpg)
online and distance learning
psychosocial well being of African American women
Womanist Research and Practice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
500
203
0.406
* Last 6 Years Citation Counts Rankings
![Julaine Rigg](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
292
203
0.695
David L Morgan
Portland State University
Portland, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,803
19,668
0.290
Ravi S Ramani
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,317
2,248
0.970
Abby R Whittington Abby Morgan|Abby W Morgan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,254
1,754
0.539
Medical Devices
Device Characterization
Biobased Materials
Degradable Polymers
Ascend Build Morgan
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,525
1,396
0.915
Nicole R Morgan
Pennsylvania State University
University Park, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,618
1,019
0.630
Jennifer Craft Morgan
Georgia State University
Atlanta, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,906
947
0.497
workforce aging
direct care workers
healthcare workforce
work over the life course
methods
Mansoureh Jeihani
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,207
850
0.704
Travelers' Behavior
Traffic Safety
Transportation Planning and Modeling
ITS
Arif Mahmud
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,299
832
0.640
Maternal and Child Health
International Health
Health Systems
Epidemiology
Community-Based Participatory Research (CBPR)
Morgan Defoort
Colorado State University
Fort Collins, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,331
655
0.492
Mary K Foster
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
815
504
0.618
team & organizational effectiveness
virtual teams
instructional design
effective teaching and learning
Virginia L Byrne
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
429
417
0.972
Haesang Park
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
387
0.900
Jocelyn Turner Musa
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
616
369
0.599
Health disparities
Research Education
Health Promotion & Disease Prevention
Shimi Naurin Ahmad
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
441
362
0.821
Getachew K Befekadu
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
569
358
0.629
Large-scale systems
Optimal control theory
Reliability analysis
Risk analysis
Amirreza Nickkar
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
346
340
0.983
Automated Transit Systems
Connected Vehicle Technology
Shared Mobility
Huey Lian Sun
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,055
334
0.317
Vinay Sharma
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
354
333
0.941
Magnetization dynamics
Spintronics
Nanomagnetics
Microwave devices
Thin films
Sandip Patel
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
914
328
0.359
Michael Callow
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695
327
0.471
Fasil Abebe
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
496
319
0.643
Microwave-assisted synthesis and characterization of fluorescent compounds
photochemistry
dye synthezied solar cell (DSSC)
en
Marshall M Cohen
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,654
275
0.166
Riordan group
formal power series
topology
geometric group theory
Gregory L Newmark
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
382
252
0.660
Melissa Littlefield
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
500
203
0.406
online and distance learning
psychosocial well being of African American women
Womanist Research and Practice
Julaine Rigg
Morgan State University
Baltimore, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
292
203
0.695