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" (873,863 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
J Baird Callicott
Philosophy
Ecology
Conservation Biology
Environmental Studies
Metrics
H-Index
i10 Index
Citation
62
152
18,664
* Rankings
Ranking Based On Selection :2
Ricardo Rozzi
conservation biology
environmental ethics
global change
ecology
environmental education
Metrics
H-Index
i10 Index
Citation
52
192
10,920
Tyson Lewis
philosophy of education
art education
aesthetic philosophy
critical pedagogy
agamben
Metrics
H-Index
i10 Index
Citation
31
68
3,239
Olga Velikanova
Soviet History
Popular Opinion
Stalinism
Cult of leader
Popular perceptions
Metrics
H-Index
i10 Index
Citation
7
6
235
Paula Lupkin
architectural and design history
cultural landscapes
urbanism
Metrics
H-Index
i10 Index
Citation
6
3
134
Constance Hilliard
History
Historiography African History
African Evolutionary History
Metrics
H-Index
i10 Index
Citation
5
3
109
Danqiong Zhu
Biocultural Conservation/Communication
Field Environmental Philosophy
Interdisciplinary Studies
Metrics
H-Index
i10 Index
Citation
5
2
97
Matthew M Babcock
Borderlands History
American Indian History
Southwestern History
Metrics
H-Index
i10 Index
Citation
4
3
90
April Laine Prince
gender
nineteenth-century Germany
reception history
Clara Schumamm
Metrics
H-Index
i10 Index
Citation
2
0
10
Rankings
Ranking Based On Selection: 1
J Baird Callicott
Metrics
H-Index
i10 Index
Citation Counts
62
152
18,664
Philosophy
Ecology
Conservation Biology
Environmental Studies
Rankings
Ranking Based On Selection: 2
Ricardo Rozzi
Metrics
H-Index
i10 Index
Citation Counts
52
192
10,920
conservation biology
environmental ethics
global change
ecology
environmental education
Rankings
Ranking Based On Selection: 3
David M Kaplan
Metrics
H-Index
i10 Index
Citation Counts
35
66
5,758
Rankings
Ranking Based On Selection: 4
Tyson Lewis
Metrics
H-Index
i10 Index
Citation Counts
31
68
3,239
philosophy of education
art education
aesthetic philosophy
critical pedagogy
agamben
Rankings
Ranking Based On Selection: 5
Elizabeth Oldmixon
Metrics
H-Index
i10 Index
Citation Counts
15
19
759
Rankings
Ranking Based On Selection: 6
Harold Tanner
Metrics
H-Index
i10 Index
Citation Counts
10
10
519
Rankings
Ranking Based On Selection: 7
Robert O Smith
Metrics
H-Index
i10 Index
Citation Counts
7
5
246
Religion
Politics
Indigenous Studies
Coloniality
Rankings
Ranking Based On Selection: 8
Olga Velikanova
Metrics
H-Index
i10 Index
Citation Counts
7
6
235
Soviet History
Popular Opinion
Stalinism
Cult of leader
Popular perceptions
Rankings
Ranking Based On Selection: 9
Paula Lupkin
Metrics
H-Index
i10 Index
Citation Counts
6
3
134
architectural and design history
cultural landscapes
urbanism
Rankings
Ranking Based On Selection: 10
Constance Hilliard
Metrics
H-Index
i10 Index
Citation Counts
5
3
109
History
Historiography African History
African Evolutionary History
Rankings
Ranking Based On Selection: 11
Danqiong Zhu
Metrics
H-Index
i10 Index
Citation Counts
5
2
97
Biocultural Conservation/Communication
Field Environmental Philosophy
Interdisciplinary Studies
Rankings
Ranking Based On Selection: 12
Emmanuela Akosua Opoku
Metrics
H-Index
i10 Index
Citation Counts
4
3
207
Rankings
Ranking Based On Selection: 13
Matthew M Babcock
Metrics
H-Index
i10 Index
Citation Counts
4
3
90
Borderlands History
American Indian History
Southwestern History
Rankings
Ranking Based On Selection: 14
David Rex Galindo
Metrics
H-Index
i10 Index
Citation Counts
4
1
92
Rankings
Ranking Based On Selection: 15
April Laine Prince
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
gender
nineteenth-century Germany
reception history
Clara Schumamm
Rankings
Ranking Based On Selection: 16
Jonathan J Mize
Metrics
H-Index
i10 Index
Citation Counts
2
0
7