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
1,355,551
Country Rank
326,242
Institution Rank : 242
![](https://cdn.adscientificindex.com/logos/18278.png)
![United States](/flags/us.png)
![Heather Blue](/pictures/92/5478644.jpg)
Emergency Medicine
Opioids
Experiential Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
115
114
0.991
* Total Citation Counts Rankings
World Rank
1,469,905
Country Rank
343,272
Institution Rank : 249
![](https://cdn.adscientificindex.com/logos/18278.png)
![United States](/flags/us.png)
![Gardner Lepp,](/pictures/b0/5330472.jpg)
student-centered learning
education theory
learning intention
SOTL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
60
0.732
* Total Citation Counts Rankings
World Rank
2,085,112
Country Rank
423,215
Institution Rank : 286
![](https://cdn.adscientificindex.com/logos/18278.png)
![United States](/flags/us.png)
![Amy Greminger](/user/assets/images/profile/no-profile-photo.png)
Medical Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
* Total Citation Counts Rankings
World Ranking
1,355,551
Country Ranking
326,242
Institution Ranking
242
Heather Blue
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
115
114
0.991
![](https://cdn.adscientificindex.com/logos/18278.png)
Emergency Medicine
Opioids
Experiential Education
* Total Citation Counts Rankings
World Ranking
1,469,905
Country Ranking
343,272
Institution Ranking
249
Gardner Lepp,
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
60
0.732
![](https://cdn.adscientificindex.com/logos/18278.png)
student-centered learning
education theory
learning intention
SOTL
* Total Citation Counts Rankings
World Ranking
2,085,112
Country Ranking
423,215
Institution Ranking
286
Amy Greminger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500