Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
geant4
gpgpu
computing
medical physics
microdosimetry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99,183
33,859
0.341
* Total Citation Counts Rankings
Ranking Based On Selection :2
Geant4
GPGPU
Computational Science
Medical Physics
Microdosimetry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,707
9,864
0.207
* Total Citation Counts Rankings
Ranking Based On Selection :3
Radiation Physics
Medical Physics
Computational Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,911
10,522
0.330
* Total Citation Counts Rankings
Ranking Based On Selection :4
Machine Learning
Artificial Intelligence
Medical Physics
Medical Imaging
Radiobiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,059
17,189
0.592
* Total Citation Counts Rankings
Ranking Based On Selection :5
Medical Physics
Machine Learning
Imaging
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,170
5,612
0.199
* Total Citation Counts Rankings
Ranking Based On Selection :6
cancer modeling
radiobiology
AI in medicine
medical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,822
13,106
0.471
* Total Citation Counts Rankings
Ranking Based On Selection :7
Medical Physics
Radiotherapy
Radiation Detection
Space Weather
Data Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,730
12,203
0.457
* Total Citation Counts Rankings
Ranking Based On Selection :8
Medical Physics
Radionuclide therapy
Nuclear Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,099
6,847
0.262
* Total Citation Counts Rankings
Ranking Based On Selection :9
Medical Physics
Radiation Dosimetry
Environmental Radioactivity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,747
10,488
0.407
* Total Citation Counts Rankings
Ranking Based On Selection :10
MRI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,265
10,166
0.402
* Total Citation Counts Rankings
Ranking Based On Selection :11
magnetic resonance imaging
medical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,246
8,220
0.326
* Total Citation Counts Rankings
Ranking Based On Selection :12
Medical Physics
Radiotherapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,282
6,388
0.274
* Total Citation Counts Rankings
Ranking Based On Selection :13
medical physics
proton therapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,378
9,449
0.442
* Total Citation Counts Rankings
Ranking Based On Selection :14
medical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,185
3,953
0.187
* Total Citation Counts Rankings
Ranking Based On Selection :15
Medical Physics
Biophysics
Neurology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,541
8,797
0.450
* Total Citation Counts Rankings
Ranking Based On Selection :16
MRI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,055
7,948
0.417
* Total Citation Counts Rankings
Ranking Based On Selection :17
Cardiac Dynamics
Network Physiology
Nonlinear Dynamics
Biomedical Physics
Time Series Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,850
3,934
0.209
* Total Citation Counts Rankings
Ranking Based On Selection :18
Medical Imaging
Computed Tomography
Medical Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,617
11,613
0.624
* Total Citation Counts Rankings
Ranking Based On Selection :19
coronary circulation
biophysical modeling
vascular engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,059
3,915
0.217
* Total Citation Counts Rankings
Ranking Based On Selection :20
Biomedical optics
neurophotonics
NIRS/fNIRS
neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,497
5,535
0.336
* Total Citation Counts Rankings
Ranking Based On Selection :21
Nanomagnetism
x-ray and neutron scattering
magneto-optics
medical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,400
2,689
0.164
* Total Citation Counts Rankings
Ranking Based On Selection :22
acoustic scattering
tissue viscoelasticity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,163
5,658
0.350
* Total Citation Counts Rankings
Ranking Based On Selection :23
Statistical Physics
Medical Physics
Complex Systems
Networks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,129
5,791
0.359
* Total Citation Counts Rankings
Ranking Based On Selection :24
medical physics
magnetic resonance imaging
biomedical engineering
neuroimaging
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,101
6,008
0.373
* Total Citation Counts Rankings
Ranking Based On Selection :25
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,959
9,313
0.584
Koichi Murakami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99,183
33,859
0.341
geant4
gpgpu
computing
medical physics
microdosimetry
Shogo Okada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,707
9,864
0.207
Geant4
GPGPU
Computational Science
Medical Physics
Microdosimetry
Arnulfo Martinez Davalos
Universidad Nacional Autónoma de México
Mexico City, Mexico
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,911
10,522
0.330
Radiation Physics
Medical Physics
Computational Physics
Issam El Naqa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,059
17,189
0.592
Machine Learning
Artificial Intelligence
Medical Physics
Medical Imaging
Radiobiology
Dennis Mackin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,170
5,612
0.199
Medical Physics
Machine Learning
Imaging
Joseph O Deasy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,822
13,106
0.471
cancer modeling
radiobiology
AI in medicine
medical physics
Hernán Asorey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,730
12,203
0.457
Medical Physics
Radiotherapy
Radiation Detection
Space Weather
Data Analysis
John Humm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,099
6,847
0.262
Medical Physics
Radionuclide therapy
Nuclear Medicine
Nasir Ahmad Late
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,747
10,488
0.407
Medical Physics
Radiation Dosimetry
Environmental Radioactivity
Matt A Bernstein
Mayo Clinic
Rochester, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,265
10,166
0.402
Jürgen R Reichenbach
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,246
8,220
0.326
magnetic resonance imaging
medical physics
Spyros Manolopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,282
6,388
0.274
Medical Physics
Radiotherapy
Antony Lomax
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,378
9,449
0.442
medical physics
proton therapy
Steve Webb
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,185
3,953
0.187
Wolfgang A Tomé
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,541
8,797
0.450
Medical Physics
Biophysics
Neurology
Mark Ladd
Deutsches Krebsforschungszentrum
Heidelberg, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,055
7,948
0.417
Ulrich Parlitz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,850
3,934
0.209
Cardiac Dynamics
Network Physiology
Nonlinear Dynamics
Biomedical Physics
Time Series Analysis
Shuai Leng
Mayo Clinic
Rochester, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,617
11,613
0.624
Medical Imaging
Computed Tomography
Medical Physics
Jos Spaan
University of Amsterdam
Amsterdam, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,059
3,915
0.217
coronary circulation
biophysical modeling
vascular engineering
Clare Elwell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,497
5,535
0.336
Biomedical optics
neurophotonics
NIRS/fNIRS
neuroscience
Hartmut Zabel
Ruhr Universität Bochum
Bochum, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,400
2,689
0.164
Nanomagnetism
x-ray and neutron scattering
magneto-optics
medical physics
Timothy J Hall
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,163
5,658
0.350
acoustic scattering
tissue viscoelasticity
Jan Kantelhardt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,129
5,791
0.359
Statistical Physics
Medical Physics
Complex Systems
Networks
Simon J Graham
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,101
6,008
0.373
medical physics
magnetic resonance imaging
biomedical engineering
neuroimaging
Katia Parodi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,959
9,313
0.584