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)
![Herbert S Klein](https://cdn.adscientificindex.com/pictures/dc/911577.jpg)
Social and Economic History
Latin America
USA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,890
3,876
0.260
![Achille Varzi](/user/assets/images/profile/no-profile-photo.png)
philosophy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,275
2,422
0.261
![Haim Gaifman](https://cdn.adscientificindex.com/pictures/b3/911907.jpg)
Logic
Foundations of Probability
Philosophy of Language
Frege
Philosophy of Mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,913
921
0.133
![Richard Bulliet](https://cdn.adscientificindex.com/pictures/7e/912024.jpg)
Islamic history
history of technology
world history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,798
1,479
0.255
![John H Coatsworth](/user/assets/images/profile/no-profile-photo.png)
Latin American Studies
Economic History
International Affairs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,199
1,083
0.208
![Katherine Pratt Ewing](https://cdn.adscientificindex.com/pictures/58/912233.jpg)
Islam
Sufism
South Asia
Gender and Sexuality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,922
969
0.247
![George Saliba](/user/assets/images/profile/no-profile-photo.png)
history of arabic/islamic science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,640
790
0.299
![Karl Jacoby](https://cdn.adscientificindex.com/pictures/f1/912689.jpg)
North American History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,105
686
0.326
![Robert J Gooding Williams](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,066
598
0.289
![Pablo Piccato](https://cdn.adscientificindex.com/pictures/2e/912747.jpg)
Mexican
Latin American history
justice
crime
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,022
777
0.384
![Gregory Mann](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,511
670
0.443
![Vania Markarian](https://cdn.adscientificindex.com/pictures/92/913183.jpg)
historia latinoamericana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,459
714
0.489
![Conrad C Crane](https://cdn.adscientificindex.com/pictures/7d/912837.jpg)
Military history
Counterinsurgency
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,442
274
0.190
![Madeleine H Zelin](/user/assets/images/profile/no-profile-photo.png)
Modern Chinese History
Chinese Economic and Social HistoryComparative Legal History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,226
357
0.291
![Louis Bickford](https://cdn.adscientificindex.com/pictures/ba/913203.jpg)
Transitional Justice
human rights
memory
memorials
public history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,151
426
0.370
![Mana Kia](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
520
365
0.702
![Ansley Erickson](/user/assets/images/profile/no-profile-photo.png)
History
Education
Cities
Racism
Capitalism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
459
316
0.688
![Manan Ahmed Asif](/user/assets/images/profile/no-profile-photo.png)
Medieval History of Islam
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
306
238
0.778
![Amy Starecheski](/user/assets/images/profile/no-profile-photo.png)
property
production of history
value
cities
gentrification
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
242
185
0.764
![Sarah Kovner](https://cdn.adscientificindex.com/pictures/56/5542427.jpg)
Japanese history
East Asian history
World War II
military history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
216
114
0.528
![Alfonso Salgado](https://cdn.adscientificindex.com/pictures/03/5180338.jpg)
History
Latin American History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127
90
0.709
![Jeremy F Hultin](https://cdn.adscientificindex.com/pictures/ca/5141300.jpg)
Bible
New Testament
Biblica Studies
Ancient Judaism
Hellenistic Philosophy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
112
61
0.545
![Robert Neer](https://cdn.adscientificindex.com/pictures/1a/5265924.jpg)
History
Military
War
Defense
International Relations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111
59
0.532
![D Seiple](https://cdn.adscientificindex.com/pictures/09/5613627.jpg)
Philosophy of religion
lgbt and feminist studies
pragmatism
biblical criticism
ethics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83
12
0.145
![Drew Chambers|Drew W. Chambers](https://cdn.adscientificindex.com/pictures/cd/5624016.jpg)
Philosophy of Education
Moral Philosophy
Ethics
Iris Murdoch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
57
0.966
Herbert S Klein
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,890
3,876
0.260
Social and Economic History
Latin America
USA
Achille Varzi
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,275
2,422
0.261
Haim Gaifman
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,913
921
0.133
Logic
Foundations of Probability
Philosophy of Language
Frege
Philosophy of Mathematics
Richard Bulliet
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,798
1,479
0.255
Islamic history
history of technology
world history
John H Coatsworth
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,199
1,083
0.208
Latin American Studies
Economic History
International Affairs
Katherine Pratt Ewing
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,922
969
0.247
Islam
Sufism
South Asia
Gender and Sexuality
George Saliba
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,640
790
0.299
history of arabic/islamic science
Karl Jacoby
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,105
686
0.326
Robert J Gooding Williams
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,066
598
0.289
Pablo Piccato
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,022
777
0.384
Mexican
Latin American history
justice
crime
Gregory Mann
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,511
670
0.443
Vania Markarian
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,459
714
0.489
Conrad C Crane
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,442
274
0.190
Military history
Counterinsurgency
Madeleine H Zelin
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,226
357
0.291
Modern Chinese History
Chinese Economic and Social HistoryComparative Legal History
Louis Bickford
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,151
426
0.370
Transitional Justice
human rights
memory
memorials
public history
Mana Kia
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
520
365
0.702
Ansley Erickson
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
459
316
0.688
History
Education
Cities
Racism
Capitalism
Manan Ahmed Asif
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
306
238
0.778
Medieval History of Islam
Artificial Intelligence
Amy Starecheski
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
242
185
0.764
property
production of history
value
cities
gentrification
Sarah Kovner
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
216
114
0.528
Japanese history
East Asian history
World War II
military history
Alfonso Salgado
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127
90
0.709
History
Latin American History
Jeremy F Hultin
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
112
61
0.545
Bible
New Testament
Biblica Studies
Ancient Judaism
Hellenistic Philosophy
Robert Neer
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111
59
0.532
History
Military
War
Defense
International Relations
D Seiple
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83
12
0.145
Philosophy of religion
lgbt and feminist studies
pragmatism
biblical criticism
ethics
Drew Chambers|Drew W. Chambers
Columbia University New York
New York City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
57
0.966
Philosophy of Education
Moral Philosophy
Ethics
Iris Murdoch