Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, 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)
![Jean Frechet](https://cdn.adscientificindex.com/pictures/a0/1734422.jpg)
Chemistry and Chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143,491
19,871
0.138
![Jean-Luc Bredas](https://cdn.adscientificindex.com/pictures/54/1734433.jpg)
Computational Chemistry and Materials Science & Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,213
38,992
0.278
![Frank Millero](https://cdn.adscientificindex.com/pictures/4c/1301054.jpg)
Physical Chemistry of Natural Waters
Chemical Oceanography
Marine Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,215
20,143
0.261
![Chunshan Song](https://cdn.adscientificindex.com/pictures/c4/334008.jpg)
Heterogeneous Catalysis
CO2 Capture
CO2 Utilization
Energy and Fuels
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,952
22,954
0.460
![William Gerwick](https://cdn.adscientificindex.com/pictures/fc/1771578.jpg)
Bioactive marine natural products
marine algae and cyanobacteria
biosynthesis
genomics and microbial interactions
chemical e
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,447
17,408
0.420
![Nikos Hadjichristidis](https://cdn.adscientificindex.com/pictures/b1/409408.jpg)
Macromolecular Engineering
Block copolymers
Polymer Chemistry
Polymers
Polymer Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,587
9,131
0.237
![Mark Spackman](/user/assets/images/profile/no-profile-photo.png)
Theoretical chemistry
crystallography
crystal engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,955
24,180
0.637
![Allan Matthews](/user/assets/images/profile/no-profile-photo.png)
Surface Engineering
Tribology
Coatings
Wear
Friction
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,384
11,939
0.328
![Molly Shoichet](/user/assets/images/profile/no-profile-photo.png)
polymers
biomaterials
tissue engineering
drug delivery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,001
13,867
0.385
![Ian D Williams](https://cdn.adscientificindex.com/pictures/92/299545.jpg)
Chemical crystallography
Chiral resolution
Crystal engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,584
13,651
0.384
![Neil B McKeown](https://cdn.adscientificindex.com/pictures/a3/1344162.jpg)
Materials Chemistry
Polymers of Intrinsic Microporosity (PIMs)
polymer synthesis
microporous materials
crystal engineering.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,429
13,119
0.417
![Dick B. Janssen](/user/assets/images/profile/no-profile-photo.png)
enzymology
protein engineering
microbiology
biocatalysis
biodegradation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,804
6,108
0.228
![Shiping Zhu](https://cdn.adscientificindex.com/pictures/8e/641598.jpg)
polymer reaction engineering
olefin polymerization
radical polymerization
kinetic modeling
polymer materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,323
7,495
0.336
![Jing Liu](/user/assets/images/profile/no-profile-photo.png)
Reaction Engineering
Transport phenomena
Electrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,562
10,328
0.502
![William F Schneider](https://cdn.adscientificindex.com/pictures/73/1469515.jpg)
chemistry and chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,410
11,205
0.549
![Anker Degn Jensen](https://cdn.adscientificindex.com/pictures/e0/1560727.jpg)
Catalysis
chemical reaction engineering
particle technology
process technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,687
9,082
0.461
![Ashwini Nangia](/user/assets/images/profile/no-profile-photo.png)
Crystal engineering
Pharmaceutical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,301
7,389
0.383
![Hongkai Wu](https://cdn.adscientificindex.com/pictures/13/299544.jpg)
Microfluidics
Bioanalysis
Tissue engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,123
6,865
0.359
![Abdul Amir H Kadhum](https://cdn.adscientificindex.com/pictures/e1/212863.jpg)
Chemistry and Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,447
10,700
0.613
![Leonard R Macgillivray](https://cdn.adscientificindex.com/pictures/b4/1408460.jpg)
Crystal Engineering
Supramolecular Chemistry
Organic Chemistry
Photochemistry
Pharmaceutics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,204
3,745
0.246
![Aleksey Yerokhin](https://cdn.adscientificindex.com/pictures/00/1556005.jpg)
Surface Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,773
5,467
0.370
![Steve Bull](https://cdn.adscientificindex.com/pictures/d5/1344303.jpg)
Surface Engineering
mechanics of coatings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,672
4,118
0.301
![Raghunath V Chaudhari](https://cdn.adscientificindex.com/pictures/c2/1404644.jpg)
catalysis
reaction engineering
Kinetic modelling
multiphase reactors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,513
3,733
0.276
![Jiangtao Jason Xu](https://cdn.adscientificindex.com/pictures/de/124100.jpg)
Polymer chemistry
Green synthesis
Photochemistry
Polymer hydrogel
surface engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,352
9,242
0.692
![Vesselin N Paunov](https://cdn.adscientificindex.com/pictures/25/1031175.jpg)
Materials science
Antimicrobial nanomaterials
Antimicrobial resistance
Bioimprinting
Tissue engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,545
4,743
0.378
Jean Frechet
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143,491
19,871
0.138
Chemistry and Chemical engineering
Jean-Luc Bredas
University of Arizona
Tucson, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,213
38,992
0.278
Computational Chemistry and Materials Science & Engineering
Frank Millero
University of Miami
Coral Gables, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,215
20,143
0.261
Physical Chemistry of Natural Waters
Chemical Oceanography
Marine Chemistry
Chunshan Song
Chinese University of Hong Kong
Central Ave, Hong Kong
![Hong Kong](/flags/hk.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,952
22,954
0.460
Heterogeneous Catalysis
CO2 Capture
CO2 Utilization
Energy and Fuels
Chemical Engineering
William Gerwick
University of California San Diego
San Diego, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,447
17,408
0.420
Bioactive marine natural products
marine algae and cyanobacteria
biosynthesis
genomics and microbial interactions
chemical e
Nikos Hadjichristidis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,587
9,131
0.237
Macromolecular Engineering
Block copolymers
Polymer Chemistry
Polymers
Polymer Science
Mark Spackman
University of Western Australia
Crawley, Australia
![Australia](/flags/au.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,955
24,180
0.637
Theoretical chemistry
crystallography
crystal engineering
Allan Matthews
University of Manchester
Manchester, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,384
11,939
0.328
Surface Engineering
Tribology
Coatings
Wear
Friction
Molly Shoichet
University of Toronto
Toronto, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,001
13,867
0.385
polymers
biomaterials
tissue engineering
drug delivery
Ian D Williams
Hong Kong University of Science & Technology
Sai Kung District, Hong Kong
![Hong Kong](/flags/hk.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,584
13,651
0.384
Chemical crystallography
Chiral resolution
Crystal engineering
Neil B McKeown
University of Edinburgh
Edinburgh, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,429
13,119
0.417
Materials Chemistry
Polymers of Intrinsic Microporosity (PIMs)
polymer synthesis
microporous materials
crystal engineering.
Dick B. Janssen
University of Groningen
Groningen, Netherlands
![Netherlands](/flags/nl.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,804
6,108
0.228
enzymology
protein engineering
microbiology
biocatalysis
biodegradation
Shiping Zhu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,323
7,495
0.336
polymer reaction engineering
olefin polymerization
radical polymerization
kinetic modeling
polymer materials
Jing Liu
University of Michigan
Ann Arbor, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,562
10,328
0.502
Reaction Engineering
Transport phenomena
Electrochemistry
William F Schneider
University of Notre Dame
Notre Dame, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,410
11,205
0.549
chemistry and chemical engineering
Anker Degn Jensen
Technical University of Denmark
Kongens Lyngby, Denmark
![Denmark](/flags/dk.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,687
9,082
0.461
Catalysis
chemical reaction engineering
particle technology
process technology
Ashwini Nangia
University of Hyderabad
Hyderabad, India
![India](/flags/in.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,301
7,389
0.383
Crystal engineering
Pharmaceutical chemistry
Hongkai Wu
Hong Kong University of Science & Technology
Sai Kung District, Hong Kong
![Hong Kong](/flags/hk.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,123
6,865
0.359
Microfluidics
Bioanalysis
Tissue engineering
Abdul Amir H Kadhum
University of Al-Ameed
Karbala, Iraq
![Iraq](/flags/iq.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,447
10,700
0.613
Chemistry and Chemical Engineering
Leonard R Macgillivray
University of Iowa
Iowa City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,204
3,745
0.246
Crystal Engineering
Supramolecular Chemistry
Organic Chemistry
Photochemistry
Pharmaceutics
Aleksey Yerokhin
University of Manchester
Manchester, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,773
5,467
0.370
Steve Bull
Newcastle University
Newcastle upon Tyne, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,672
4,118
0.301
Surface Engineering
mechanics of coatings
Raghunath V Chaudhari
University of Kansas
Lawrence, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,513
3,733
0.276
catalysis
reaction engineering
Kinetic modelling
multiphase reactors
Jiangtao Jason Xu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,352
9,242
0.692
Polymer chemistry
Green synthesis
Photochemistry
Polymer hydrogel
surface engineering
Vesselin N Paunov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,545
4,743
0.378
Materials science
Antimicrobial nanomaterials
Antimicrobial resistance
Bioimprinting
Tissue engineering