Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 1.538 Scientists Citation Rankings - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Germany
Michael Kagan
Elementarteilchenphysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
338,311
117,902
0.349
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Germany
Hans Ulrich Wittchen
Psychiatrie
Psychologi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
229,871
71,068
0.309
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Germany
Xinliang Feng
Graphene NSs
Organic 2D Crystals
On-water Surface Chemistry
Quantum Materials
Energy Device
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125,288
69,604
0.556
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Germany
Clemens Kirschbaum
stress
endocrinology
burnout
saliva
hai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101,237
31,315
0.309
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Germany
Thomas Hummel
physiology and pathology of the human chemical sense
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,234
38,325
0.503
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Germany
Stefan Kaskel
Porous Materials
Energy Materials
Batteries
Coating Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,464
34,041
0.528
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Germany
Gerhard P Fettweis
wireless communications
signal processing
circuit architecture and desig
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,547
15,916
0.335
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Germany
Sergei Klioner
Astrometry
Celestial Mechanics
Relativity
Computer Algebr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,510
31,661
0.711
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Germany
Thomas Heine
Theoretical Materials Science
Theoretical Chemistry
Theoretical Physics
Computational Design of Functional Material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,968
24,532
0.558

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Germany
Alexander Eychmüller
Nanowissenschaften
Spektroskopi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,673
13,080
0.299
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Germany
Gotthard Seifert
Nanostrukturen
Theoretische Chemi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,769
11,792
0.276
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Germany
Christian Bernhofer
Meteorologie
Ökologie
Hydrologi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,463
16,388
0.386
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Germany
Andreas Rump
DNA Sequenzierun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,486
9,403
0.232
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Germany
Franz Baader
Logic in Computer Science
Knowledge Representation
Automated Deductio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,011
6,073
0.156
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Germany
Robin Geyer
Astronomy
Astrometry
Gravitational Waves
HPC
Data Analysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,700
27,067
0.758
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Germany
A Francis Stewart
Epigenetics
Genetic Engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,298
8,698
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Germany
Stefan Kiebel
Neuroimaging
Cognitive Computational Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,174
11,373
0.377
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Germany
Michael Brand
Developmental Biology
Neurobiology
Brain and Retina Regeneration
Morphogens
Fgf signalin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,217
6,921
0.237
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Germany
Simon Alberti
Organization of the cytoplasm - Protein aggregation - Proteostasi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,111
21,664
0.744
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Germany
Michael N Smolka
addiction
cognitive neuroscience
computational neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,824
13,997
0.486
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Germany
Christoph Neinhuis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,625
9,317
0.325
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Germany
Stefan Mannsfeld
Organic Electronic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,321
11,075
0.405
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Germany
Thomas Hilger
astrometry
Gaia
gravity
hadron physics
particle physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,884
21,316
0.793
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Germany
Minghao Yu
2D materials
supercapacitors
aqueous batteries
dual-ion batteries
multivalent metal batterie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,423
14,656
0.555
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Germany
Stefan Ehrlich
Translational Developmental Neuroscience
eating disorders
schizophrenia
autism
neuroimagin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,937
18,038
0.695
* Total Citation Counts Rankings
Rankings
160
Germany
3
1
Ranking Based On Selection: 1
Michael Kagan
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
338,311
117,902
0.349
* Total Citation Counts Rankings
Rankings
639
Germany
19
2
Ranking Based On Selection: 2
Hans Ulrich Wittchen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
229,871
71,068
0.309
* Total Citation Counts Rankings
Rankings
2,170
Germany
59
3
Ranking Based On Selection: 3
Xinliang Feng
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125,288
69,604
0.556
Graphene NSs
Organic 2D Crystals
On-water Surface Chemistry
Quantum Materials
Energy Device
* Total Citation Counts Rankings
Rankings
3,309
Germany
108
4
Ranking Based On Selection: 4
Clemens Kirschbaum
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101,237
31,315
0.309
* Total Citation Counts Rankings
Rankings
5,445
Germany
207
5
Ranking Based On Selection: 5
Thomas Hummel
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,234
38,325
0.503
physiology and pathology of the human chemical sense
* Total Citation Counts Rankings
Rankings
7,154
Germany
285
6
Ranking Based On Selection: 6
Stefan Kaskel
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,464
34,041
0.528
* Total Citation Counts Rankings
Rankings
11,602
Germany
483
7
Ranking Based On Selection: 7
Gerhard P Fettweis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,547
15,916
0.335
wireless communications
signal processing
circuit architecture and desig
* Total Citation Counts Rankings
Rankings
12,953
Germany
550
8
Ranking Based On Selection: 8
Sergei Klioner
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,510
31,661
0.711
Astrometry
Celestial Mechanics
Relativity
Computer Algebr
* Total Citation Counts Rankings
Rankings
13,198
Germany
558
9
Ranking Based On Selection: 9
Thomas Heine
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,968
24,532
0.558
Theoretical Materials Science
Theoretical Chemistry
Theoretical Physics
Computational Design of Functional Material
* Total Citation Counts Rankings
Rankings
13,345
Germany
566
10
Ranking Based On Selection: 10
Alexander Eychmüller
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,673
13,080
0.299

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Total Citation Counts Rankings
Rankings
13,809
Germany
586
11
Ranking Based On Selection: 11
Gotthard Seifert
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,769
11,792
0.276
* Total Citation Counts Rankings
Rankings
13,969
Germany
594
12
Ranking Based On Selection: 12
Christian Bernhofer
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,463
16,388
0.386
* Total Citation Counts Rankings
Rankings
15,108
Germany
651
13
Ranking Based On Selection: 13
Andreas Rump
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,486
9,403
0.232
* Total Citation Counts Rankings
Rankings
16,013
Germany
700
14
Ranking Based On Selection: 14
Franz Baader
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,011
6,073
0.156
Logic in Computer Science
Knowledge Representation
Automated Deductio
* Total Citation Counts Rankings
Rankings
18,375
Germany
817
15
Ranking Based On Selection: 15
Robin Geyer
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,700
27,067
0.758
Astronomy
Astrometry
Gravitational Waves
HPC
Data Analysi
* Total Citation Counts Rankings
Rankings
18,693
Germany
832
16
Ranking Based On Selection: 16
A Francis Stewart
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,298
8,698
0.246
* Total Citation Counts Rankings
Rankings
23,858
Germany
1,045
17
Ranking Based On Selection: 17
Stefan Kiebel
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,174
11,373
0.377
Neuroimaging
Cognitive Computational Neuroscienc
* Total Citation Counts Rankings
Rankings
25,007
Germany
1,094
18
Ranking Based On Selection: 18
Michael Brand
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,217
6,921
0.237
Developmental Biology
Neurobiology
Brain and Retina Regeneration
Morphogens
Fgf signalin
* Total Citation Counts Rankings
Rankings
25,149
Germany
1,101
19
Ranking Based On Selection: 19
Simon Alberti
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,111
21,664
0.744
Organization of the cytoplasm - Protein aggregation - Proteostasi
* Total Citation Counts Rankings
Rankings
25,523
Germany
1,118
20
Ranking Based On Selection: 20
Michael N Smolka
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,824
13,997
0.486
addiction
cognitive neuroscience
computational neuroscienc
* Total Citation Counts Rankings
Rankings
25,759
Germany
1,130
21
Ranking Based On Selection: 21
Christoph Neinhuis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,625
9,317
0.325
* Total Citation Counts Rankings
Rankings
27,699
Germany
1,206
22
Ranking Based On Selection: 22
Stefan Mannsfeld
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,321
11,075
0.405
* Total Citation Counts Rankings
Rankings
28,375
Germany
1,232
23
Ranking Based On Selection: 23
Thomas Hilger
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,884
21,316
0.793
astrometry
Gaia
gravity
hadron physics
particle physic
* Total Citation Counts Rankings
Rankings
29,117
Germany
1,271
24
Ranking Based On Selection: 24
Minghao Yu
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,423
14,656
0.555
2D materials
supercapacitors
aqueous batteries
dual-ion batteries
multivalent metal batterie
* Total Citation Counts Rankings
Rankings
29,941
Germany
1,310
25
Ranking Based On Selection: 25
Stefan Ehrlich
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,937
18,038
0.695
Translational Developmental Neuroscience
eating disorders
schizophrenia
autism
neuroimagin