Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
David R Thompson
nursing
cardiac rehabilitation
psychosocial interventions
Metrics
H-Index
i10 Index
Citation
94
435
39,883
Tracey McConnell
palliative care
realist review
randomised controlled trial
Metrics
H-Index
i10 Index
Citation
16
22
1,105
Karen Galway
mental health promotion
suicide prevention
digital mental health
psycho oncology
Metrics
H-Index
i10 Index
Citation
15
23
1,596
Debbie Duncan
respiratory nursing
long term conditions
primary care
advanced practice
non medical prescribing
Metrics
H-Index
i10 Index
Citation
7
7
489
Ahmet Butun
Emergency Medicine
Emergency Nursing
Child Health
Emergency Departments
Metrics
H-Index
i10 Index
Citation
4
3
130
Omar Fasial Alrfooh
Acute coronary syndrome
Nursing management
Critical care medicine
Cardiometabolic diseases
Metrics
H-Index
i10 Index
Citation
1
0
3
Rankings
Ranking Based On Selection: 1
David R Thompson
Metrics
H-Index
i10 Index
Citation Counts
94
435
39,883
nursing
cardiac rehabilitation
psychosocial interventions
Rankings
Ranking Based On Selection: 2
Donna Fitzsimons
Metrics
H-Index
i10 Index
Citation Counts
58
111
155,696
Rankings
Ranking Based On Selection: 3
Tracey McConnell
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,105
palliative care
realist review
randomised controlled trial
Rankings
Ranking Based On Selection: 4
Karen Galway
Metrics
H-Index
i10 Index
Citation Counts
15
23
1,596
mental health promotion
suicide prevention
digital mental health
psycho oncology
Rankings
Ranking Based On Selection: 5
Jenny McNeill
Metrics
H-Index
i10 Index
Citation Counts
15
18
1,034
Rankings
Ranking Based On Selection: 6
Marian Traynor
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,600
Rankings
Ranking Based On Selection: 8
Daphne Martin
Metrics
H-Index
i10 Index
Citation Counts
8
8
1,084
Rankings
Ranking Based On Selection: 9
Debbie Duncan
Metrics
H-Index
i10 Index
Citation Counts
7
7
489
respiratory nursing
long term conditions
primary care
advanced practice
non medical prescribing
Rankings
Ranking Based On Selection: 12
Ahmet Butun
Metrics
H-Index
i10 Index
Citation Counts
4
3
130
Emergency Medicine
Emergency Nursing
Child Health
Emergency Departments
Rankings
Ranking Based On Selection: 13
Margaret Ayorinde
Metrics
H-Index
i10 Index
Citation Counts
1
1
40
Rankings
Ranking Based On Selection: 14
Omar Fasial Alrfooh
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Acute coronary syndrome
Nursing management
Critical care medicine
Cardiometabolic diseases