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
C Lee Giles
Information extraction
search engines
information retrieval
deep learning
digital libraries
Metrics
H-Index
i10 Index
Citation
118
463
61,493
Nancy E Adams
information literacy
evidence-based medicine
academic librarianship
educational technology
adult learning theory
Metrics
H-Index
i10 Index
Citation
10
10
2,017
Glenn S Mcguigan
academic librarianship
public administration
scholarly publishing
bibliometrics
social networks
Metrics
H-Index
i10 Index
Citation
8
8
488
Kevin Seeber
Information Literacy
Critical Information Literacy
Assessment
Higher Education Pedagogy
Metrics
H-Index
i10 Index
Citation
6
2
133
Matthew P. Ciszek
GLBT Issues in Libraries
Diversity in Higher Education
Collection Development and Assessment
Metrics
H-Index
i10 Index
Citation
4
3
134
Paula M Smith
internationalization
information literacy
international libraries
oral history
Metrics
H-Index
i10 Index
Citation
2
2
54
Charles E Jones
Bibliography
Open Access Publishing
Scholarly Communication
Ancient Iran
Metrics
H-Index
i10 Index
Citation
2
2
23
Ken Robinson
library metadata
metadata crosswalks
macro programming
special collections cataloging
linked data
Metrics
H-Index
i10 Index
Citation
2
2
21
Emily Reed
information literacy
international students
reference
cultural capital
Metrics
H-Index
i10 Index
Citation
2
1
25
Nathan Tallman
digital preservation
infrastructure
filesystems
sustainability
appraisal and selection
Metrics
H-Index
i10 Index
Citation
2
1
20
Rankings
Ranking Based On Selection: 1
C Lee Giles
Metrics
H-Index
i10 Index
Citation Counts
118
463
61,493
Information extraction
search engines
information retrieval
deep learning
digital libraries
Rankings
Ranking Based On Selection: 2
G Steven Mcmillan
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,689
Rankings
Ranking Based On Selection: 3
Ellysa Stern Cahoy
Metrics
H-Index
i10 Index
Citation Counts
15
15
608
Rankings
Ranking Based On Selection: 4
Nancy E Adams
Metrics
H-Index
i10 Index
Citation Counts
10
10
2,017
information literacy
evidence-based medicine
academic librarianship
educational technology
adult learning theory
Rankings
Ranking Based On Selection: 5
Eric Novotny
Metrics
H-Index
i10 Index
Citation Counts
10
11
400
Rankings
Ranking Based On Selection: 6
Richard L Hart
Metrics
H-Index
i10 Index
Citation Counts
9
9
432
Rankings
Ranking Based On Selection: 7
Glenn S Mcguigan
Metrics
H-Index
i10 Index
Citation Counts
8
8
488
academic librarianship
public administration
scholarly publishing
bibliometrics
social networks
Rankings
Ranking Based On Selection: 8
Kathleen Phillips|Kat Phillips
Metrics
H-Index
i10 Index
Citation Counts
6
5
199
IF I APPLY
source evaluation
librarianship
grey literature
Rankings
Ranking Based On Selection: 9
Kevin Seeber
Metrics
H-Index
i10 Index
Citation Counts
6
2
133
Information Literacy
Critical Information Literacy
Assessment
Higher Education Pedagogy
Rankings
Ranking Based On Selection: 10
Bernadette A Lear
Metrics
H-Index
i10 Index
Citation Counts
6
3
93
History of Libraries
Library History
Children's Literature
Rankings
Ranking Based On Selection: 11
Christina Riehman-Murphy
Metrics
H-Index
i10 Index
Citation Counts
5
2
87
open education
open pedagogy
academic libraries
prayer spaces
Rankings
Ranking Based On Selection: 13
Susan Hamburger
Metrics
H-Index
i10 Index
Citation Counts
5
3
89
manuscripts
archives
cataloging
horseracing
Bruce Springsteen
Rankings
Ranking Based On Selection: 14
Matthew P. Ciszek
Metrics
H-Index
i10 Index
Citation Counts
4
3
134
GLBT Issues in Libraries
Diversity in Higher Education
Collection Development and Assessment
Rankings
Ranking Based On Selection: 15
Ruth Kitchin Tillman|Ruth Tillman
Metrics
H-Index
i10 Index
Citation Counts
4
1
52
Rankings
Ranking Based On Selection: 16
Joel M Burkholder
Metrics
H-Index
i10 Index
Citation Counts
4
2
56
Rankings
Ranking Based On Selection: 17
Amy Deuink
Metrics
H-Index
i10 Index
Citation Counts
4
2
48
Rankings
Ranking Based On Selection: 18
Lori Lysiak
Metrics
H-Index
i10 Index
Citation Counts
3
2
47
Rankings
Ranking Based On Selection: 20
Paula M Smith
Metrics
H-Index
i10 Index
Citation Counts
2
2
54
internationalization
information literacy
international libraries
oral history
Rankings
Ranking Based On Selection: 21
Archives and Special Collections
Art History
Motherhood Studies
Museum Studies
Women's Studies
Rankings
Ranking Based On Selection: 22
Charles E Jones
Metrics
H-Index
i10 Index
Citation Counts
2
2
23
Bibliography
Open Access Publishing
Scholarly Communication
Ancient Iran
Rankings
Ranking Based On Selection: 23
Ken Robinson
Metrics
H-Index
i10 Index
Citation Counts
2
2
21
library metadata
metadata crosswalks
macro programming
special collections cataloging
linked data
Rankings
Ranking Based On Selection: 24
Brendan Johnson
Metrics
H-Index
i10 Index
Citation Counts
2
1
27
Rankings
Ranking Based On Selection: 25
Emily Reed
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
information literacy
international students
reference
cultural capital
Rankings
Ranking Based On Selection: 26
Nathan Tallman
Metrics
H-Index
i10 Index
Citation Counts
2
1
20
digital preservation
infrastructure
filesystems
sustainability
appraisal and selection
Rankings
Ranking Based On Selection: 29
Marie Cirelli
Metrics
H-Index
i10 Index
Citation Counts
1
0
7