Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, 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)
* Total Citation Counts Rankings
World Rank
13,229
Country Rank
6,303
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Thorsten Lumbsch](https://cdn.adscientificindex.com/pictures/6c/4376047.jpg)
Evolutionary Biology
Lichenology
Mycology
Systematics
Taxonomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,052
17,310
0.422
* Total Citation Counts Rankings
World Rank
25,874
Country Rank
11,933
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Nigel Pitman](https://cdn.adscientificindex.com/pictures/26/4376049.jpg)
Plant Ecology
Macroecology
Conservation Biology
Tropical Biodiversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,736
11,876
0.444
* Total Citation Counts Rankings
World Rank
37,705
Country Rank
16,906
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Bruce D Patterson](https://cdn.adscientificindex.com/pictures/f3/4376050.jpg)
systematics
mammalogy
biogeography
evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,617
7,669
0.372
* Total Citation Counts Rankings
World Rank
46,639
Country Rank
20,431
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Olivier Rieppel](https://cdn.adscientificindex.com/pictures/6a/4376051.jpg)
The Field Museum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,654
4,868
0.276
* Total Citation Counts Rankings
World Rank
48,806
Country Rank
21,289
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Gary Feinman](https://cdn.adscientificindex.com/pictures/1d/4376052.jpg)
archaeology
anthropology
urbanism
collective action
social evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,085
5,727
0.335
* Total Citation Counts Rankings
World Rank
61,819
Country Rank
26,283
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Robert Martin](https://cdn.adscientificindex.com/pictures/0c/4376053.jpg)
Biological Anthropology
primate evolution
reproductive biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,293
1,761
0.123
* Total Citation Counts Rankings
World Rank
64,344
Country Rank
27,231
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Lawrence R Heaney](https://cdn.adscientificindex.com/pictures/f3/4376054.jpg)
biogeography
mammals
evolution
ecology
conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,860
4,170
0.301
* Total Citation Counts Rankings
World Rank
76,867
Country Rank
31,802
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Richard H Ree](/user/assets/images/profile/no-profile-photo.png)
Evolutionary biology
phylogenetics
plant systematics & biogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,042
5,739
0.477
* Total Citation Counts Rankings
World Rank
128,746
Country Rank
49,817
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Harold Voris](https://cdn.adscientificindex.com/pictures/f8/4376056.jpg)
Conservation Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,700
2,263
0.294
* Total Citation Counts Rankings
World Rank
131,483
Country Rank
50,743
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Shannon Hackett](https://cdn.adscientificindex.com/pictures/2c/4400035.jpg)
evolutionary biology
phylogenetic systematics
ornithology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,556
2,708
0.358
* Total Citation Counts Rankings
World Rank
133,375
Country Rank
51,355
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Lance Grande](https://cdn.adscientificindex.com/pictures/53/4399902.jpg)
fishes
phylogeny
paleontology
biological evolution
cultural evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,455
1,864
0.250
* Total Citation Counts Rankings
World Rank
146,529
Country Rank
55,604
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![John M Bates](https://cdn.adscientificindex.com/pictures/21/4399969.jpg)
Birds
Evolution
Tropics
Genetic structure
Biogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,820
2,619
0.384
* Total Citation Counts Rankings
World Rank
147,441
Country Rank
55,895
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Kenneth D Angielczyk](https://cdn.adscientificindex.com/pictures/fd/4399909.jpg)
Synapsida
Therapsida
Dicynodontia
Anomodontia
Chelonia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,780
3,711
0.547
* Total Citation Counts Rankings
World Rank
156,331
Country Rank
58,743
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![John Terrell](https://cdn.adscientificindex.com/pictures/27/4400007.jpg)
anthropology
psychology
biogeography
evolution
genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,409
1,368
0.213
* Total Citation Counts Rankings
World Rank
155,372
Country Rank
58,440
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Kevin Feldheim](https://cdn.adscientificindex.com/pictures/27/4399933.jpg)
Molecular Ecology
Conservation Biology
Population Genetics
Shark Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,446
3,000
0.465
* Total Citation Counts Rankings
World Rank
162,475
Country Rank
60,669
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Matthew Nelsen](https://cdn.adscientificindex.com/pictures/3a/4399960.jpg)
evolution
symbiosis
geobiology
fungi
plants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,171
3,249
0.526
* Total Citation Counts Rankings
World Rank
166,787
Country Rank
62,005
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Jingmai O'Connor](https://cdn.adscientificindex.com/pictures/70/4399919.jpg)
Paleontology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,013
3,887
0.646
* Total Citation Counts Rankings
World Rank
176,382
Country Rank
65,023
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Dean E Arnold](/user/assets/images/profile/no-profile-photo.png)
Ceramic Ethnoarchaeology
Andean Archaeology
Mesoamerican Archaeology
Compositional Analysis
Contemporary Potters and Pottery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,684
1,244
0.219
* Total Citation Counts Rankings
World Rank
184,229
Country Rank
67,453
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Matt Von Konrat](https://cdn.adscientificindex.com/pictures/03/4400108.jpg)
Plant biodiversity
systematics
conservation
bryophytes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,438
3,278
0.603
* Total Citation Counts Rankings
World Rank
210,368
Country Rank
75,346
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Philipp R Heck](https://cdn.adscientificindex.com/pictures/85/4400264.jpg)
Presolar Grains
Early Solar System
Cosmic Dust
Meteorites
Cosmochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,740
1,729
0.365
* Total Citation Counts Rankings
World Rank
212,908
Country Rank
76,126
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Rudiger Bieler](https://cdn.adscientificindex.com/pictures/b9/4400063.jpg)
Invertebrate Biology
Phylogenetic Systematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,682
1,963
0.419
* Total Citation Counts Rankings
World Rank
222,171
Country Rank
78,873
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![James G Graham](https://cdn.adscientificindex.com/pictures/40/4400373.jpg)
wilderness living
multitaxa biological inventory
abiotic drivers of biodiversity and ecology
folkloric knowledge systems
bio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,471
2,580
0.577
* Total Citation Counts Rankings
World Rank
227,071
Country Rank
80,348
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Scott Lidgard](/user/assets/images/profile/no-profile-photo.png)
Paleobiology
Biological Individuality
Evolutionary Stasis
Bryozoa
Polymorphism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,367
1,302
0.298
* Total Citation Counts Rankings
World Rank
250,541
Country Rank
87,316
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Margaret Thayer](https://cdn.adscientificindex.com/pictures/cd/4400466.jpg)
systematics
entomology
biogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,927
1,790
0.456
* Total Citation Counts Rankings
World Rank
254,050
Country Rank
88,306
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/15766.png)
![United States](/flags/us.png)
![Ben D Marks](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,866
1,344
0.348
* Total Citation Counts Rankings
World Ranking
13,229
Country Ranking
6,303
Institution Ranking
1
Thorsten Lumbsch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,052
17,310
0.422
![](https://cdn.adscientificindex.com/logos/15766.png)
Evolutionary Biology
Lichenology
Mycology
Systematics
Taxonomy
* Total Citation Counts Rankings
World Ranking
25,874
Country Ranking
11,933
Institution Ranking
2
Nigel Pitman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,736
11,876
0.444
![](https://cdn.adscientificindex.com/logos/15766.png)
Plant Ecology
Macroecology
Conservation Biology
Tropical Biodiversity
* Total Citation Counts Rankings
World Ranking
37,705
Country Ranking
16,906
Institution Ranking
3
Bruce D Patterson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,617
7,669
0.372
![](https://cdn.adscientificindex.com/logos/15766.png)
systematics
mammalogy
biogeography
evolution
* Total Citation Counts Rankings
World Ranking
46,639
Country Ranking
20,431
Institution Ranking
4
Olivier Rieppel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,654
4,868
0.276
* Total Citation Counts Rankings
World Ranking
48,806
Country Ranking
21,289
Institution Ranking
5
Gary Feinman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,085
5,727
0.335
![](https://cdn.adscientificindex.com/logos/15766.png)
archaeology
anthropology
urbanism
collective action
social evolution
* Total Citation Counts Rankings
World Ranking
61,819
Country Ranking
26,283
Institution Ranking
6
Robert Martin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,293
1,761
0.123
![](https://cdn.adscientificindex.com/logos/15766.png)
Biological Anthropology
primate evolution
reproductive biology
* Total Citation Counts Rankings
World Ranking
64,344
Country Ranking
27,231
Institution Ranking
7
Lawrence R Heaney
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,860
4,170
0.301
![](https://cdn.adscientificindex.com/logos/15766.png)
biogeography
mammals
evolution
ecology
conservation
* Total Citation Counts Rankings
World Ranking
76,867
Country Ranking
31,802
Institution Ranking
8
Richard H Ree
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,042
5,739
0.477
![](https://cdn.adscientificindex.com/logos/15766.png)
Evolutionary biology
phylogenetics
plant systematics & biogeography
* Total Citation Counts Rankings
World Ranking
128,746
Country Ranking
49,817
Institution Ranking
9
Harold Voris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,700
2,263
0.294
* Total Citation Counts Rankings
World Ranking
131,483
Country Ranking
50,743
Institution Ranking
10
Shannon Hackett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,556
2,708
0.358
![](https://cdn.adscientificindex.com/logos/15766.png)
evolutionary biology
phylogenetic systematics
ornithology
![Adscientificindex](/assets/images/banner_logo.png)
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* Total Citation Counts Rankings
World Ranking
133,375
Country Ranking
51,355
Institution Ranking
11
Lance Grande
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,455
1,864
0.250
![](https://cdn.adscientificindex.com/logos/15766.png)
fishes
phylogeny
paleontology
biological evolution
cultural evolution
* Total Citation Counts Rankings
World Ranking
146,529
Country Ranking
55,604
Institution Ranking
12
John M Bates
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,820
2,619
0.384
![](https://cdn.adscientificindex.com/logos/15766.png)
Birds
Evolution
Tropics
Genetic structure
Biogeography
* Total Citation Counts Rankings
World Ranking
147,441
Country Ranking
55,895
Institution Ranking
13
Kenneth D Angielczyk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,780
3,711
0.547
![](https://cdn.adscientificindex.com/logos/15766.png)
Synapsida
Therapsida
Dicynodontia
Anomodontia
Chelonia
* Total Citation Counts Rankings
World Ranking
156,331
Country Ranking
58,743
Institution Ranking
15
John Terrell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,409
1,368
0.213
![](https://cdn.adscientificindex.com/logos/15766.png)
anthropology
psychology
biogeography
evolution
genetics
* Total Citation Counts Rankings
World Ranking
155,372
Country Ranking
58,440
Institution Ranking
14
Kevin Feldheim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,446
3,000
0.465
![](https://cdn.adscientificindex.com/logos/15766.png)
Molecular Ecology
Conservation Biology
Population Genetics
Shark Biology
* Total Citation Counts Rankings
World Ranking
162,475
Country Ranking
60,669
Institution Ranking
16
Matthew Nelsen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,171
3,249
0.526
![](https://cdn.adscientificindex.com/logos/15766.png)
evolution
symbiosis
geobiology
fungi
plants
* Total Citation Counts Rankings
World Ranking
166,787
Country Ranking
62,005
Institution Ranking
17
Jingmai O'Connor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,013
3,887
0.646
* Total Citation Counts Rankings
World Ranking
176,382
Country Ranking
65,023
Institution Ranking
18
Dean E Arnold
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,684
1,244
0.219
![](https://cdn.adscientificindex.com/logos/15766.png)
Ceramic Ethnoarchaeology
Andean Archaeology
Mesoamerican Archaeology
Compositional Analysis
Contemporary Potters and Pottery
* Total Citation Counts Rankings
World Ranking
184,229
Country Ranking
67,453
Institution Ranking
19
Matt Von Konrat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,438
3,278
0.603
![](https://cdn.adscientificindex.com/logos/15766.png)
Plant biodiversity
systematics
conservation
bryophytes
* Total Citation Counts Rankings
World Ranking
210,368
Country Ranking
75,346
Institution Ranking
20
Philipp R Heck
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,740
1,729
0.365
![](https://cdn.adscientificindex.com/logos/15766.png)
Presolar Grains
Early Solar System
Cosmic Dust
Meteorites
Cosmochemistry
* Total Citation Counts Rankings
World Ranking
212,908
Country Ranking
76,126
Institution Ranking
21
Rudiger Bieler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,682
1,963
0.419
![](https://cdn.adscientificindex.com/logos/15766.png)
Invertebrate Biology
Phylogenetic Systematics
* Total Citation Counts Rankings
World Ranking
222,171
Country Ranking
78,873
Institution Ranking
22
James G Graham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,471
2,580
0.577
![](https://cdn.adscientificindex.com/logos/15766.png)
wilderness living
multitaxa biological inventory
abiotic drivers of biodiversity and ecology
folkloric knowledge systems
bio
* Total Citation Counts Rankings
World Ranking
227,071
Country Ranking
80,348
Institution Ranking
23
Scott Lidgard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,367
1,302
0.298
![](https://cdn.adscientificindex.com/logos/15766.png)
Paleobiology
Biological Individuality
Evolutionary Stasis
Bryozoa
Polymorphism
* Total Citation Counts Rankings
World Ranking
250,541
Country Ranking
87,316
Institution Ranking
24
Margaret Thayer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,927
1,790
0.456
![](https://cdn.adscientificindex.com/logos/15766.png)
systematics
entomology
biogeography
* Total Citation Counts Rankings
World Ranking
254,050
Country Ranking
88,306
Institution Ranking
25
Ben D Marks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,866
1,344
0.348