More Than a Ranking

US Environmental Protection Agency Scientists Rankings 2024

The international independent ranking organisation AD Scientific Index is more than an ordinary "Ranking". The "AD Scientific Index" analyses the academic work of scientists using the H-index, i10 index and number of citations, and provides results that can be used to evaluate the productivity and efficiency of individuals and institutions. In addition to ranking according to "total H-index" for individuals and institutions, you can also see the ranking and analyses according to "last 6 years H-index", "total i10 Productivity index", "last 6 years i10 Productivity index", "total citations" and "last 6 years citations" only in "AD Scientific Index". See also: Subject Rankings, University Subject Rankings and Universities Rankings 2024 (Sort by: Last 6 years H Index). Click here for individual or institutional registration.

Country

Total 483 scientist

List without CERN, Statistical Data etc.

Sort by last 6 years H Index

Richard Judson

Best Scientist in University/Institution

US Environmental Protection Agency

United States

Natural Sciences / Molecular Biology & Genetics

Toxicology

bioinformatics

Computational Toxicology

Systems Biology

Endocrine Disruption

H-Index Rankings

University / Institution:

# 1

Country:

# 6,399

Region:

# 6,988

World:

# 14,198

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.655

i10 Index

Total:

188

Last 6 Year:

148

Last 6 Year/Total:

0.787

Citation

Total:

32,255

Last 6 Year:

11,232

Last 6 Year/Total:

0.348

Andrew Ghio

US Environmental Protection Agency

United States

Engineering & Technology / Environmental Science & Engineering

Lung diseases

iron homeostasis

fibers

particles

air pollution

H-Index Rankings

University / Institution:

# 2

Country:

# 7,355

Region:

# 8,046

World:

# 16,439

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.476

i10 Index

Total:

287

Last 6 Year:

172

Last 6 Year/Total:

0.599

Citation

Total:

24,538

Last 6 Year:

7,990

Last 6 Year/Total:

0.326

Mallikarjuna Nadagouda

US Environmental Protection Agency

United States

Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology

Materials Chemistry

Water Reserach

H-Index Rankings

University / Institution:

# 3

Country:

# 9,061

Region:

# 9,940

World:

# 20,593

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.769

i10 Index

Total:

223

Last 6 Year:

188

Last 6 Year/Total:

0.843

Citation

Total:

25,461

Last 6 Year:

14,702

Last 6 Year/Total:

0.577

Kirk G Scheckel

US Environmental Protection Agency

United States

Engineering & Technology / Environmental Science & Engineering

Environmental Soil Chemistry

Synchrotron Techniques

Bioavailability

Nanoparticles in the Environment

Plant Uptake

H-Index Rankings

University / Institution:

# 4

Country:

# 11,990

Region:

# 13,215

World:

# 28,048

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.746

i10 Index

Total:

186

Last 6 Year:

163

Last 6 Year/Total:

0.876

Citation

Total:

21,003

Last 6 Year:

10,118

Last 6 Year/Total:

0.482

Russell S Thomas

US Environmental Protection Agency

United States

Natural Sciences / Molecular Biology & Genetics

toxicology

genomics

H-Index Rankings

University / Institution:

# 5

Country:

# 13,552

Region:

# 14,995

World:

# 32,178

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.706

i10 Index

Total:

163

Last 6 Year:

119

Last 6 Year/Total:

0.730

Citation

Total:

15,339

Last 6 Year:

7,902

Last 6 Year/Total:

0.515

Antony John Williams

US Environmental Protection Agency

United States

Natural Sciences / Chemical Sciences

Chemistry

Cheminformatics

Nuclear Magnetic Resonance

Drug Discovery

H-Index Rankings

University / Institution:

# 6

Country:

# 14,111

Region:

# 15,614

World:

# 33,631

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.701

i10 Index

Total:

248

Last 6 Year:

134

Last 6 Year/Total:

0.540

Citation

Total:

17,537

Last 6 Year:

9,530

Last 6 Year/Total:

0.543

Keith A Houck

US Environmental Protection Agency

United States

Others

environmental toxicology

drug discovery

nuclear receptors

H-Index Rankings

University / Institution:

# 7

Country:

# 15,339

Region:

# 17,005

World:

# 36,962

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.708

i10 Index

Total:

110

Last 6 Year:

Last 6 Year/Total:

0.836

Citation

Total:

26,682

Last 6 Year:

7,411

Last 6 Year/Total:

0.278

Ann M Richard

US Environmental Protection Agency

United States

Natural Sciences / Chemical Sciences

Computational chemistry

cheminformatics

toxicology

H-Index Rankings

University / Institution:

# 8

Country:

# 16,155

Region:

# 17,939

World:

# 39,178

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.625

i10 Index

Total:

112

Last 6 Year:

Last 6 Year/Total:

0.679

Citation

Total:

16,039

Last 6 Year:

8,370

Last 6 Year/Total:

0.522

Jorge W Santo Domingo

US Environmental Protection Agency

United States

Natural Sciences / Biological Science

Molecular Microbial Ecology

drinking water

microbial ecology

environmental microbiology

water

H-Index Rankings

University / Institution:

# 9

Country:

# 18,426

Region:

# 20,487

World:

# 45,371

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.607

i10 Index

Total:

127

Last 6 Year:

Last 6 Year/Total:

0.780

Citation

Total:

9,738

Last 6 Year:

4,046

Last 6 Year/Total:

0.415

Grace Patlewicz

US Environmental Protection Agency

United States

Others

H-Index Rankings

University / Institution:

# 10

Country:

# 19,965

Region:

# 22,233

World:

# 49,651

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.661

i10 Index

Total:

143

Last 6 Year:

Last 6 Year/Total:

0.685

Citation

Total:

13,381

Last 6 Year:

6,921

Last 6 Year/Total:

0.517

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Thomas B Knudsen

US Environmental Protection Agency

United States

Natural Sciences / Biological Science

developmental biology

H-Index Rankings

University / Institution:

# 11

Country:

# 20,818

Region:

# 23,220

World:

# 52,129

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.655

i10 Index

Total:

129

Last 6 Year:

Last 6 Year/Total:

0.605

Citation

Total:

13,735

Last 6 Year:

5,477

Last 6 Year/Total:

0.399

Jia Xing

US Environmental Protection Agency

United States

Others

H-Index Rankings

University / Institution:

# 12

Country:

# 21,357

Region:

# 23,838

World:

# 53,597

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.895

i10 Index

Total:

138

Last 6 Year:

133

Last 6 Year/Total:

0.964

Citation

Total:

11,057

Last 6 Year:

8,422

Last 6 Year/Total:

0.762

John H Offenberg

US Environmental Protection Agency

United States

Natural Sciences / Chemical Sciences

Atmospheric Chemistry

H-Index Rankings

University / Institution:

# 13

Country:

# 21,873

Region:

# 24,426

World:

# 55,227

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.596

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.820

Citation

Total:

11,499

Last 6 Year:

3,899

Last 6 Year/Total:

0.339

Brian Gullett

US Environmental Protection Agency

United States

Others

H-Index Rankings

University / Institution:

# 14

Country:

# 22,040

Region:

# 24,618

World:

# 55,655

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.509

i10 Index

Total:

146

Last 6 Year:

Last 6 Year/Total:

0.589

Citation

Total:

10,817

Last 6 Year:

3,200

Last 6 Year/Total:

0.296

Ahjond Garmestani

US Environmental Protection Agency

United States

Law / Environmental Law

Environmental Law

Environmental Policy

Environmental Governance

Ecosystem Management

H-Index Rankings

University / Institution:

# 15

Country:

# 22,507

Region:

# 25,150

World:

# 57,026

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.732

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.923

Citation

Total:

9,165

Last 6 Year:

5,489

Last 6 Year/Total:

0.599

Michael Devito

US Environmental Protection Agency

United States

Others

toxicology

pharmacokinetics

thyroid

PFAS

dioxins

H-Index Rankings

University / Institution:

# 16

Country:

# 22,987

Region:

# 25,681

World:

# 58,464

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.536

i10 Index

Total:

110

Last 6 Year:

Last 6 Year/Total:

0.591

Citation

Total:

14,354

Last 6 Year:

3,914

Last 6 Year/Total:

0.273

Mark Strynar

US Environmental Protection Agency

United States

Others

Xenobiotic compounds in environmental media

H-Index Rankings

University / Institution:

# 17

Country:

# 23,340

Region:

# 26,074

World:

# 59,380

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.855

i10 Index

Total:

102

Last 6 Year:

Last 6 Year/Total:

0.951

Citation

Total:

12,438

Last 6 Year:

8,533

Last 6 Year/Total:

0.686

Philip R Kaufmann|Philip Robert Kaufmann, P.R. Kaufmann

US Environmental Protection Agency

United States

Natural Sciences / Biological Science

aquatic ecology

geomorphology

hydrology

H-Index Rankings

University / Institution:

# 18

Country:

# 23,917

Region:

# 26,741

World:

# 61,133

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.582

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.678

Citation

Total:

9,796

Last 6 Year:

2,890

Last 6 Year/Total:

0.295

Jay Garland

US Environmental Protection Agency

United States

Natural Sciences / Biological Science

environmental microbiology

microbial ecology

regenerative system design

H-Index Rankings

University / Institution:

# 19

Country:

# 25,038

Region:

# 28,023

World:

# 64,576

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.537

i10 Index

Total:

123

Last 6 Year:

Last 6 Year/Total:

0.537

Citation

Total:

13,221

Last 6 Year:

3,767

Last 6 Year/Total:

0.285

James Wickham

US Environmental Protection Agency

United States

Engineering & Technology / Environmental Science & Engineering

Environment

landscape ecology

remote sensing

GIS

H-Index Rankings

University / Institution:

# 20

Country:

# 25,725

Region:

# 28,802

World:

# 66,625

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.698

i10 Index

Total:

102

Last 6 Year:

Last 6 Year/Total:

0.618

Citation

Total:

20,660

Last 6 Year:

6,564

Last 6 Year/Total:

0.318

R Woodrow Setzer

US Environmental Protection Agency

United States

Medical and Health Sciences / Biostatistics

biostatistics

dose-response

pharmacokinetics

high throughput screening

quantitative risk assessment

H-Index Rankings

University / Institution:

# 21

Country:

# 25,775

Region:

# 28,862

World:

# 66,784

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.679

i10 Index

Total:

103

Last 6 Year:

Last 6 Year/Total:

0.631

Citation

Total:

11,703

Last 6 Year:

5,442

Last 6 Year/Total:

0.465

Mace G Barron

US Environmental Protection Agency

United States

Others

aquatic toxicology

oil

bioaccumulation

pharmacokinetics

H-Index Rankings

University / Institution:

# 22

Country:

# 27,076

Region:

# 30,345

World:

# 70,664

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.635

i10 Index

Total:

133

Last 6 Year:

Last 6 Year/Total:

0.632

Citation

Total:

9,057

Last 6 Year:

3,203

Last 6 Year/Total:

0.354

Stephanie Padilla

US Environmental Protection Agency

United States

Natural Sciences / Biological Science

neurotoxicology

developmental toxicology

chemical screening

zebrafish

H-Index Rankings

University / Institution:

# 23

Country:

# 27,407

Region:

# 30,734

World:

# 71,675

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.519

i10 Index

Total:

107

Last 6 Year:

Last 6 Year/Total:

0.467

Citation

Total:

10,156

Last 6 Year:

3,342

Last 6 Year/Total:

0.329

John L Stoddard

US Environmental Protection Agency

United States

Natural Sciences / Biological Science

freshwater ecology

biogeochemistry

acidification

H-Index Rankings

University / Institution:

# 24

Country:

# 28,686

Region:

# 32,191

World:

# 75,543

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.510

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.573

Citation

Total:

15,157

Last 6 Year:

4,094

Last 6 Year/Total:

0.270

J Renee Brooks

US Environmental Protection Agency

United States

Agriculture & Forestry / Forestry

forest ecology

stable isotopes

isotope hydrology

plant ecophysiology

ecohydrology

H-Index Rankings

University / Institution:

# 25

Country:

# 29,510

Region:

# 33,115

World:

# 78,197

H-Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.660

i10 Index

Total:

Last 6 Year:

Last 6 Year/Total:

0.831

Citation

Total:

8,538

Last 6 Year:

3,067

Last 6 Year/Total:

0.359

				AD Scientific Index - World Scientists Rankings - 2024				H INDEX			i10 INDEX			CITATION
University / Institution	Country	Region	World	Name	Country	University / Institution	Subject	Total	Last 6 year	Last 6 year/total	Total	Last 6 year	Last 6 year/total	Total	Last 6 year	Last 6 year/total
1	6,399	6,988	14,198	Richard Judson	United States	US Environmental Protection Agency	Natural Sciences / Molecular Biology & Genetics Toxicology \| bioinformatics \| Computational Toxicology \| Systems Biology \| Endocrine Disruption \|	87	57	0.655	188	148	0.787	32,255	11,232	0.348
2	7,355	8,046	16,439	Andrew Ghio	United States	US Environmental Protection Agency	Engineering & Technology / Environmental Science & Engineering Lung diseases \| iron homeostasis \| fibers \| particles \| air pollution \|	84	40	0.476	287	172	0.599	24,538	7,990	0.326
3	9,061	9,940	20,593	Mallikarjuna Nadagouda	United States	US Environmental Protection Agency	Engineering & Technology / Nanoscience and Nanotechnology Nanotechnology \| Materials Chemistry \| Water Reserach \|	78	60	0.769	223	188	0.843	25,461	14,702	0.577
4	11,990	13,215	28,048	Kirk G Scheckel	United States	US Environmental Protection Agency	Engineering & Technology / Environmental Science & Engineering Environmental Soil Chemistry \| Synchrotron Techniques \| Bioavailability \| Nanoparticles in the Environment \| Plant Uptake \|	71	53	0.746	186	163	0.876	21,003	10,118	0.482
5	13,552	14,995	32,178	Russell S Thomas	United States	US Environmental Protection Agency	Natural Sciences / Molecular Biology & Genetics toxicology \| genomics \|	68	48	0.706	163	119	0.730	15,339	7,902	0.515
6	14,111	15,614	33,631	Antony John Williams	United States	US Environmental Protection Agency	Natural Sciences / Chemical Sciences Chemistry \| Cheminformatics \| Nuclear Magnetic Resonance \| Drug Discovery \|	67	47	0.701	248	134	0.540	17,537	9,530	0.543
7	15,339	17,005	36,962	Keith A Houck	United States	US Environmental Protection Agency	Others environmental toxicology \| drug discovery \| nuclear receptors \|	65	46	0.708	110	92	0.836	26,682	7,411	0.278
8	16,155	17,939	39,178	Ann M Richard	United States	US Environmental Protection Agency	Natural Sciences / Chemical Sciences Computational chemistry \| cheminformatics \| toxicology \|	64	40	0.625	112	76	0.679	16,039	8,370	0.522
9	18,426	20,487	45,371	Jorge W Santo Domingo	United States	US Environmental Protection Agency	Natural Sciences / Biological Science Molecular Microbial Ecology \| drinking water \| microbial ecology \| environmental microbiology \| water \|	61	37	0.607	127	99	0.780	9,738	4,046	0.415
10	19,965	22,233	49,651	Grace Patlewicz	United States	US Environmental Protection Agency	Others	59	39	0.661	143	98	0.685	13,381	6,921	0.517
			Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
11	20,818	23,220	52,129	Thomas B Knudsen	United States	US Environmental Protection Agency	Natural Sciences / Biological Science developmental biology \|	58	38	0.655	129	78	0.605	13,735	5,477	0.399
12	21,357	23,838	53,597	Jia Xing	United States	US Environmental Protection Agency	Others	57	51	0.895	138	133	0.964	11,057	8,422	0.762
13	21,873	24,426	55,227	John H Offenberg	United States	US Environmental Protection Agency	Natural Sciences / Chemical Sciences Atmospheric Chemistry \|	57	34	0.596	89	73	0.820	11,499	3,899	0.339
14	22,040	24,618	55,655	Brian Gullett	United States	US Environmental Protection Agency	Others	57	29	0.509	146	86	0.589	10,817	3,200	0.296
15	22,507	25,150	57,026	Ahjond Garmestani	United States	US Environmental Protection Agency	Law / Environmental Law Environmental Law \| Environmental Policy \| Environmental Governance \| Ecosystem Management \|	56	41	0.732	91	84	0.923	9,165	5,489	0.599
16	22,987	25,681	58,464	Michael Devito	United States	US Environmental Protection Agency	Others toxicology \| pharmacokinetics \| thyroid \| PFAS \| dioxins \|	56	30	0.536	110	65	0.591	14,354	3,914	0.273
17	23,340	26,074	59,380	Mark Strynar	United States	US Environmental Protection Agency	Others Xenobiotic compounds in environmental media \|	55	47	0.855	102	97	0.951	12,438	8,533	0.686
18	23,917	26,741	61,133	Philip R Kaufmann\|Philip Robert Kaufmann, P.R. Kaufmann	United States	US Environmental Protection Agency	Natural Sciences / Biological Science aquatic ecology \| geomorphology \| hydrology \|	55	32	0.582	90	61	0.678	9,796	2,890	0.295
19	25,038	28,023	64,576	Jay Garland	United States	US Environmental Protection Agency	Natural Sciences / Biological Science environmental microbiology \| microbial ecology \| regenerative system design \|	54	29	0.537	123	66	0.537	13,221	3,767	0.285
20	25,725	28,802	66,625	James Wickham	United States	US Environmental Protection Agency	Engineering & Technology / Environmental Science & Engineering Environment \| landscape ecology \| remote sensing \| GIS \|	53	37	0.698	102	63	0.618	20,660	6,564	0.318
21	25,775	28,862	66,784	R Woodrow Setzer	United States	US Environmental Protection Agency	Medical and Health Sciences / Biostatistics biostatistics \| dose-response \| pharmacokinetics \| high throughput screening \| quantitative risk assessment \|	53	36	0.679	103	65	0.631	11,703	5,442	0.465
22	27,076	30,345	70,664	Mace G Barron	United States	US Environmental Protection Agency	Others aquatic toxicology \| oil \| bioaccumulation \| pharmacokinetics \|	52	33	0.635	133	84	0.632	9,057	3,203	0.354
23	27,407	30,734	71,675	Stephanie Padilla	United States	US Environmental Protection Agency	Natural Sciences / Biological Science neurotoxicology \| developmental toxicology \| chemical screening \| zebrafish \|	52	27	0.519	107	50	0.467	10,156	3,342	0.329
24	28,686	32,191	75,543	John L Stoddard	United States	US Environmental Protection Agency	Natural Sciences / Biological Science freshwater ecology \| biogeochemistry \| acidification \|	51	26	0.510	75	43	0.573	15,157	4,094	0.270
25	29,510	33,115	78,197	J Renee Brooks	United States	US Environmental Protection Agency	Agriculture & Forestry / Forestry forest ecology \| stable isotopes \| isotope hydrology \| plant ecophysiology \| ecohydrology \|	50	33	0.660	89	74	0.831	8,538	3,067	0.359