The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
humans and oceans
marine environmental history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,352
2,091
0.480
* Total Citation Counts Rankings
Ranking Based On Selection: 2
history
world war one
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,319
1,426
0.330
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Modern Europe
History of Political Violence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,176
1,682
0.530
* Total Citation Counts Rankings
Ranking Based On Selection: 4
history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,545
791
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Climate history
historical climatology
environmental history
natural hazards
climate-conflict linkages
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,382
1,761
0.739
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Immigration and social change
Irish intellectual history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,348
674
0.287
* Total Citation Counts Rankings
Ranking Based On Selection: 7
history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,909
404
0.212
* Total Citation Counts Rankings
Ranking Based On Selection: 8
History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,764
1,068
0.605
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Classics
Ancient History
Medieval History
Numismatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,450
565
0.390
* Total Citation Counts Rankings
Ranking Based On Selection: 10
European Cultural History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,030
356
0.346
* Total Citation Counts Rankings
Ranking Based On Selection: 11
technology history
networks
media
communications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
955
442
0.463
* Total Citation Counts Rankings
Ranking Based On Selection: 12
History
Irish History
Renaissance
Early Modern History
Imperialism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
872
222
0.255
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Modern Irish History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
783
240
0.307
* Total Citation Counts Rankings
Ranking Based On Selection: 14
International history
First World War
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
739
344
0.465
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Environmental History
Historical Geography
Animal History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
719
420
0.584
* Total Citation Counts Rankings
Ranking Based On Selection: 16
history of ideas
philosophy of science
marxism
politics
media studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
694
248
0.357
* Total Citation Counts Rankings
Ranking Based On Selection: 17
History of court interpreting
Legal Interpreting
Medical Interpreting
Translation
Ethics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
672
357
0.531
* Total Citation Counts Rankings
Ranking Based On Selection: 18
20th century U.S. history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
663
347
0.523
* Total Citation Counts Rankings
Ranking Based On Selection: 19
history
archives
records
archaeology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
629
279
0.444
* Total Citation Counts Rankings
Ranking Based On Selection: 20
World War I
international relations
global history
interdependence
civil-military relations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
626
251
0.401
* Total Citation Counts Rankings
Ranking Based On Selection: 21
military history
seventeenth century irish history
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
608
154
0.253
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Modern Irish history
transnational
Republicanism
Northern Ireland conflict
the IRA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
603
244
0.405
* Total Citation Counts Rankings
Ranking Based On Selection: 23
History
bibliography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
583
278
0.477
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Migration history
social history
asylum
memory
Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
567
299
0.527
* Total Citation Counts Rankings
Ranking Based On Selection: 25
History of Science
Art History
Visual Culture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
555
234
0.422
Poul Holm
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,352
2,091
0.480
humans and oceans
marine environmental history
John Horne
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,319
1,426
0.330
Robert Gerwarth
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,176
1,682
0.530
Modern Europe
History of Political Violence
James Kelly
Dublin City University
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,545
791
0.311
Francis Ludlow
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,382
1,761
0.739
Climate history
historical climatology
environmental history
natural hazards
climate-conflict linkages
Bryan Fanning
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,348
674
0.287
Immigration and social change
Irish intellectual history
Steven G Ellis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,909
404
0.212
Conor Kostick
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,764
1,068
0.605
David Woods
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,450
565
0.390
Classics
Ancient History
Medieval History
Numismatics
Brendan Dooley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,030
356
0.346
Johnny Ryan
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
955
442
0.463
technology history
networks
media
communications
Hiram Morgan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
872
222
0.255
History
Irish History
Renaissance
Early Modern History
Imperialism
Ruan O Donnell
University of Limerick
Limerick, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
783
240
0.307
William Mulligan
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
739
344
0.465
International history
First World War
Diogo De Carvalho Cabral
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
719
420
0.584
Environmental History
Historical Geography
Animal History
Helena Sheehan
Dublin City University
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
694
248
0.357
history of ideas
philosophy of science
marxism
politics
media studies
Mary Phelan
Dublin City University
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
672
357
0.531
History of court interpreting
Legal Interpreting
Medical Interpreting
Translation
Ethics
Daniel Geary
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
663
347
0.523
Bernard Allaire
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
629
279
0.444
history
archives
records
archaeology
Will Mulligan
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
626
251
0.401
World War I
international relations
global history
interdependence
civil-military relations
Padraig Lenihan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
608
154
0.253
military history
seventeenth century irish history
Brian Hanley
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
603
244
0.405
Modern Irish history
transnational
Republicanism
Northern Ireland conflict
the IRA
Alexander S Wilkinson
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
583
278
0.477
Irial Glynn
University College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
567
299
0.527
Migration history
social history
asylum
memory
Ireland
Domenico Laurenza
Trinity College Dublin
Dublin, Ireland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
555
234
0.422
History of Science
Art History
Visual Culture