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" (873,690 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: 3
Nick Hardiker
Health Informatics
Nursing Informatics
eHealth
Nursing Terminology
Metrics
H-Index
i10 Index
Citation
31
60
3,676
Christine Hallett
History of Nursing
History of Medicine
Women's History
Public History
Metrics
H-Index
i10 Index
Citation
23
44
2,993
Bibha Simkhada
International Nursing Workforce Development
Ageing Research (Dementia)
BAME Health
Mental Health
Metrics
H-Index
i10 Index
Citation
22
28
2,781
Joyce L Marshall
infant feeding
breastfeeding
maternal and child health
midwifery
knowledge and evidence use
Metrics
H-Index
i10 Index
Citation
16
19
2,638
* Rankings
Ranking Based On Selection: 10
Precious Adade Duodu
Noncommunicable diseases
Maternal & Child Health
Nutrition
Nursing Education & Practice Regulation
Metrics
H-Index
i10 Index
Citation
12
14
477

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* Rankings
Ranking Based On Selection: 11
Andrew Bland
Nursing Education
Acute Care
Emergency Care
Simulation-Based Education
Learning Theories
Metrics
H-Index
i10 Index
Citation
11
11
903
Stephen Prescott
Pre- and post-registration Nursing Education
Simulation-based learning. Acute and Critical Care
Metrics
H-Index
i10 Index
Citation
6
6
514
Caroline Barker
Nurse Education
Curriculum Development
Qualitative Research
Quality Assurance
Metrics
H-Index
i10 Index
Citation
6
4
135
Linda Sanderson
Nursing
children's nursing
children's cancer care
blended learning
simulated learning
Metrics
H-Index
i10 Index
Citation
5
3
57
Sally Arrey
Qualitative methodologies with a particular interest in Hermeneutic Phenomenology
Person Centred Research
Supportive and Palli
Metrics
H-Index
i10 Index
Citation
3
1
28
Rankings
Ranking Based On Selection: 1
Karen Ousey
Metrics
H-Index
i10 Index
Citation Counts
39
129
6,079
Rankings
Ranking Based On Selection: 2
Felicity Astin *
Metrics
H-Index
i10 Index
Citation Counts
32
57
10,907
Rankings
Ranking Based On Selection: 3
Nick Hardiker
Metrics
H-Index
i10 Index
Citation Counts
31
60
3,676
Health Informatics
Nursing Informatics
eHealth
Nursing Terminology
Rankings
Ranking Based On Selection: 4
Christine Hallett
Metrics
H-Index
i10 Index
Citation Counts
23
44
2,993
History of Nursing
History of Medicine
Women's History
Public History
Rankings
Ranking Based On Selection: 5
Bibha Simkhada
Metrics
H-Index
i10 Index
Citation Counts
22
28
2,781
International Nursing Workforce Development
Ageing Research (Dementia)
BAME Health
Mental Health
Rankings
Ranking Based On Selection: 6
Tomasina Stacey
Metrics
H-Index
i10 Index
Citation Counts
22
28
1,669
Rankings
Ranking Based On Selection: 7
Joanne Garside
Metrics
H-Index
i10 Index
Citation Counts
17
19
1,170
Rankings
Ranking Based On Selection: 8
Joyce L Marshall
Metrics
H-Index
i10 Index
Citation Counts
16
19
2,638
infant feeding
breastfeeding
maternal and child health
midwifery
knowledge and evidence use
Rankings
Ranking Based On Selection: 9
John Playle
Metrics
H-Index
i10 Index
Citation Counts
14
18
1,141
Rankings
Ranking Based On Selection: 10
Precious Adade Duodu
Metrics
H-Index
i10 Index
Citation Counts
12
14
477
Noncommunicable diseases
Maternal & Child Health
Nutrition
Nursing Education & Practice Regulation

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Andrew Bland
Metrics
H-Index
i10 Index
Citation Counts
11
11
903
Nursing Education
Acute Care
Emergency Care
Simulation-Based Education
Learning Theories
Rankings
Ranking Based On Selection: 12
Susan Jones
Metrics
H-Index
i10 Index
Citation Counts
7
5
402
Rankings
Ranking Based On Selection: 13
Stephen Prescott
Metrics
H-Index
i10 Index
Citation Counts
6
6
514
Pre- and post-registration Nursing Education
Simulation-based learning. Acute and Critical Care
Rankings
Ranking Based On Selection: 14
Caroline Barker
Metrics
H-Index
i10 Index
Citation Counts
6
4
135
Nurse Education
Curriculum Development
Qualitative Research
Quality Assurance
Rankings
Ranking Based On Selection: 15
Graham Ormrod
Metrics
H-Index
i10 Index
Citation Counts
6
6
168
Rankings
Ranking Based On Selection: 16
Linda Sanderson
Metrics
H-Index
i10 Index
Citation Counts
5
3
57
Nursing
children's nursing
children's cancer care
blended learning
simulated learning
Rankings
Ranking Based On Selection: 17
Ian Noonan
Metrics
H-Index
i10 Index
Citation Counts
4
2
103
Rankings
Ranking Based On Selection: 18
Sally Arrey
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Qualitative methodologies with a particular interest in Hermeneutic Phenomenology
Person Centred Research
Supportive and Palli
Rankings
Ranking Based On Selection: 19
Jackie Vasey
Metrics
H-Index
i10 Index
Citation Counts
2
1
49
child nursing
consent
family centred care
children's pain care
Rankings
Ranking Based On Selection: 20
Katie Batley
Metrics
H-Index
i10 Index
Citation Counts
2
1
20
Simulation
Safeguarding
Child Health
Qualitative Research
Rankings
Ranking Based On Selection: 21
Jayne Samples
Metrics
H-Index
i10 Index
Citation Counts
2
1
13
Rankings
Ranking Based On Selection: 22
Donna Kemp
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Rankings
Ranking Based On Selection: 23
Sarah Batt
Metrics
H-Index
i10 Index
Citation Counts
1
1
31
Rankings
Ranking Based On Selection: 24
Stephen Hogarth
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 25
Dan Redfearn
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Learning Disabilities
Autism
User Involvement
Inclusion