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
Drug Discovery
Medicinal Chemistry
Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,608
33,312
0.820
* Total Citation Counts Rankings
Ranking Based On Selection :2
asymmetric catalysis
photoredox catalysis
medicinal chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,728
6,862
0.640
* Total Citation Counts Rankings
Ranking Based On Selection :3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,386
4,229
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :4
drug design
computational chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,708
3,041
0.349
* Total Citation Counts Rankings
Ranking Based On Selection :5
Catalysis
high-throughput experimentation
pharmaceutical synthesis
drug discovery
process chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,975
4,637
0.581
* Total Citation Counts Rankings
Ranking Based On Selection :6
Organic chemistry
process research
process design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,577
2,872
0.379
* Total Citation Counts Rankings
Ranking Based On Selection :7
medicinal chemistry
catalysis
HTE
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,335
2,813
0.384
* Total Citation Counts Rankings
Ranking Based On Selection :8
cheminformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,998
2,628
0.376
* Total Citation Counts Rankings
Ranking Based On Selection :9
Medicinal Chemistry
Chemical Biology and Drug Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,909
5,519
0.934
* Total Citation Counts Rankings
Ranking Based On Selection :10
process chemistry
catalysis
photocatalysis
high-throughput experimentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,238
3,604
0.688
* Total Citation Counts Rankings
Ranking Based On Selection :11
Structural Biology
Drug Discovery
Biomolecular NMR
Fragment-Based Lead Discovery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,677
953
0.204
* Total Citation Counts Rankings
Ranking Based On Selection :12
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,669
3,045
0.652
* Total Citation Counts Rankings
Ranking Based On Selection :13
catalysis
high-throughput experimentation
organometallics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,561
1,367
0.300
* Total Citation Counts Rankings
Ranking Based On Selection :14
Analytical Chemistry Enabling Capabilities
Separation Science
Chromatography
Spectroscopy
Pharmaceutical Industry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,451
3,019
0.678
* Total Citation Counts Rankings
Ranking Based On Selection :15
Structural Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,016
1,490
0.371
* Total Citation Counts Rankings
Ranking Based On Selection :16
Materials Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,800
3,059
0.805
* Total Citation Counts Rankings
Ranking Based On Selection :17
Computational Chemistry
Cheminformatics
Structural Chemistry
Molecular Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,784
1,822
0.482
* Total Citation Counts Rankings
Ranking Based On Selection :18
Medicinal Chemistry
Drug Discovery
Organic Synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,512
1,659
0.472
* Total Citation Counts Rankings
Ranking Based On Selection :19
Computational Chemistry
Drug Discovery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,435
795
0.231
* Total Citation Counts Rankings
Ranking Based On Selection :20
biocatalysis
biosynthesis
chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,206
1,698
0.530
* Total Citation Counts Rankings
Ranking Based On Selection :21
chemical biology
molecular biology
cell biology
immunology
infectious disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,182
1,655
0.520
* Total Citation Counts Rankings
Ranking Based On Selection :22
NMR
Physical Chemistry
Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,086
1,446
0.469
* Total Citation Counts Rankings
Ranking Based On Selection :23
Structure-based design
ADME modeling
QSAR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,055
846
0.277
* Total Citation Counts Rankings
Ranking Based On Selection :24
Structural Chemistry
computational chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,994
1,087
0.363
* Total Citation Counts Rankings
Ranking Based On Selection :25
chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,906
1,739
0.598
Amjad Ali
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,608
33,312
0.820
Drug Discovery
Medicinal Chemistry
Organic Chemistry
Danica A Rankic
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,728
6,862
0.640
asymmetric catalysis
photoredox catalysis
medicinal chemistry
Louis-Charles Campeau
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,386
4,229
0.451
J Chris Culberson
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,708
3,041
0.349
drug design
computational chemistry
Shane W Krska
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,975
4,637
0.581
Catalysis
high-throughput experimentation
pharmaceutical synthesis
drug discovery
process chemistry
Guy Humphrey
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,577
2,872
0.379
Organic chemistry
process research
process design
Charles S Yeung
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,335
2,813
0.384
medicinal chemistry
catalysis
HTE
Meir Glick
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,998
2,628
0.376
Phillip Patrick Sharp
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,909
5,519
0.934
Medicinal Chemistry
Chemical Biology and Drug Development
Dani Schultz
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,238
3,604
0.688
process chemistry
catalysis
photocatalysis
high-throughput experimentation
Daniel F Wyss
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,677
953
0.204
Structural Biology
Drug Discovery
Biomolecular NMR
Fragment-Based Lead Discovery
Yongchao Su
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,669
3,045
0.652
Dipannita Kalyani
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,561
1,367
0.300
catalysis
high-throughput experimentation
organometallics
Erik L Regalado
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,451
3,019
0.678
Analytical Chemistry Enabling Capabilities
Separation Science
Chromatography
Spectroscopy
Pharmaceutical Industry
Daniel J Klein
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,016
1,490
0.371
Nathan Rudd
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,800
3,059
0.805
Brad Sherborne|Bradley Sherborne, Bradley Stuart Sherborne
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,784
1,822
0.482
Computational Chemistry
Cheminformatics
Structural Chemistry
Molecular Modeling
Wonsuk Chang
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,512
1,659
0.472
Medicinal Chemistry
Drug Discovery
Organic Synthesis
Zhuyan Guo
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,435
795
0.231
Computational Chemistry
Drug Discovery
John McIntosh
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,206
1,698
0.530
biocatalysis
biosynthesis
chemistry
Erik Hett
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,182
1,655
0.520
chemical biology
molecular biology
cell biology
immunology
infectious disease
Alexei V Buevich
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,086
1,446
0.469
NMR
Physical Chemistry
Organic Chemistry
Ying-Duo Gao
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,055
846
0.277
Structure-based design
ADME modeling
QSAR
John M Sanders
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,994
1,087
0.363
Structural Chemistry
computational chemistry
Neil A Strotman
Central US Merck & Co., Inc.
Kenilworth, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,906
1,739
0.598