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
55,842
Country Rank
4,793
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Joe Kidney|Joseph Kidney, Joseph C. Kidney](/user/assets/images/profile/no-profile-photo.png)
Pulmonary Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,449
13,147
0.851
* Total Citation Counts Rankings
World Rank
175,653
Country Rank
13,604
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![James Patrick Mckenna](/user/assets/images/profile/no-profile-photo.png)
Microbiology
rapid molecular diagnostics
NGS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,707
4,250
0.745
* Total Citation Counts Rankings
World Rank
194,024
Country Rank
14,888
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Stephen O'Neill](https://cdn.adscientificindex.com/pictures/c8/4979774.jpg)
Transplant Surgery
Dialysis Access
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,151
3,622
0.703
* Total Citation Counts Rankings
World Rank
217,386
Country Rank
16,475
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Denis W Harkin](https://cdn.adscientificindex.com/pictures/a6/4979757.jpg)
Vascular Surgery
Trauma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,578
2,178
0.476
* Total Citation Counts Rankings
World Rank
244,329
Country Rank
18,200
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![John R Lindsay](https://cdn.adscientificindex.com/pictures/e9/4979706.jpg)
Diabetes & endocrinology
Metabolic bone disease
Osteoporosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,035
1,401
0.347
* Total Citation Counts Rankings
World Rank
296,315
Country Rank
21,310
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Firas Aljanadi](/pictures/5e/4979561.jpg)
Cardiac Surgery- Cardiothoracic surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,232
3,226
0.998
* Total Citation Counts Rankings
World Rank
321,564
Country Rank
22,791
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Gerry Hanna](https://cdn.adscientificindex.com/pictures/c4/4979721.jpg)
Lung Cancer
Breast Cancer
Radiotherapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,929
2,267
0.774
* Total Citation Counts Rankings
World Rank
437,528
Country Rank
29,199
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Andrew Ferguson](/user/assets/images/profile/no-profile-photo.png)
intensive care
perioperative medicine
echocardiography
burnout
wellbeing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,961
1,107
0.565
* Total Citation Counts Rankings
World Rank
896,001
Country Rank
49,285
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Jackie Casey](/pictures/06/5390890.jpg)
Seating
Positioning
Children
Evidence based practice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
513
316
0.616
* Total Citation Counts Rankings
World Rank
1,143,037
Country Rank
56,717
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Anita Lavery](/user/assets/images/profile/no-profile-photo.png)
Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
219
151
0.689
* Total Citation Counts Rankings
World Rank
1,475,450
Country Rank
65,237
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Peter Cosgrove](/pictures/6e/5188361.jpg)
Pediatric Emergency Medicine
Respiratory Disease
Translational Reserach
Simulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80
80
1.000
* Total Citation Counts Rankings
World Rank
1,580,805
Country Rank
67,641
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/26691.png)
![United Kingdom](/flags/gb.png)
![Milad Darrat](/user/assets/images/profile/no-profile-photo.png)
Endocrinology and Diabetes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
56
0.966
* Total Citation Counts Rankings
World Ranking
55,842
Country Ranking
4,793
Institution Ranking
1
Joe Kidney|Joseph Kidney, Joseph C. Kidney
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,449
13,147
0.851
* Total Citation Counts Rankings
World Ranking
175,653
Country Ranking
13,604
Institution Ranking
2
James Patrick Mckenna
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,707
4,250
0.745
* Total Citation Counts Rankings
World Ranking
194,024
Country Ranking
14,888
Institution Ranking
3
Stephen O'Neill
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,151
3,622
0.703
![](https://cdn.adscientificindex.com/logos/26691.png)
Transplant Surgery
Dialysis Access
* Total Citation Counts Rankings
World Ranking
217,386
Country Ranking
16,475
Institution Ranking
4
Denis W Harkin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,578
2,178
0.476
![](https://cdn.adscientificindex.com/logos/26691.png)
Vascular Surgery
Trauma
* Total Citation Counts Rankings
World Ranking
244,329
Country Ranking
18,200
Institution Ranking
5
John R Lindsay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,035
1,401
0.347
![](https://cdn.adscientificindex.com/logos/26691.png)
Diabetes & endocrinology
Metabolic bone disease
Osteoporosis
* Total Citation Counts Rankings
World Ranking
296,315
Country Ranking
21,310
Institution Ranking
6
Firas Aljanadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,232
3,226
0.998
![](https://cdn.adscientificindex.com/logos/26691.png)
Cardiac Surgery- Cardiothoracic surgery
* Total Citation Counts Rankings
World Ranking
321,564
Country Ranking
22,791
Institution Ranking
7
Gerry Hanna
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,929
2,267
0.774
* Total Citation Counts Rankings
World Ranking
437,528
Country Ranking
29,199
Institution Ranking
8
Andrew Ferguson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,961
1,107
0.565
![](https://cdn.adscientificindex.com/logos/26691.png)
intensive care
perioperative medicine
echocardiography
burnout
wellbeing
* Total Citation Counts Rankings
World Ranking
896,001
Country Ranking
49,285
Institution Ranking
9
Jackie Casey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
513
316
0.616
* Total Citation Counts Rankings
World Ranking
1,143,037
Country Ranking
56,717
Institution Ranking
10
Anita Lavery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
219
151
0.689
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* Total Citation Counts Rankings
World Ranking
1,475,450
Country Ranking
65,237
Institution Ranking
11
Peter Cosgrove
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80
80
1.000
![](https://cdn.adscientificindex.com/logos/26691.png)
Pediatric Emergency Medicine
Respiratory Disease
Translational Reserach
Simulation
* Total Citation Counts Rankings
World Ranking
1,580,805
Country Ranking
67,641
Institution Ranking
12
Milad Darrat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
56
0.966
![](https://cdn.adscientificindex.com/logos/26691.png)
Endocrinology and Diabetes