Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
geology
petrology
planetary science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
Environmental engineering
Air pollution
Indoor air pollution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
Global Leadership
Leadership Education
International Politics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
Hydraulic Fracturing
Geomechanics
and Organic Shale Evaluation and Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
comics
film
disability
ecology
composition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
Counselor Education
Clinical Mental Health Counseling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
Categorization
Learning
Reasoning
Sensation
Perception
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :10
health communication
organizational communication
gender
qualitative research methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Andrew W Beck
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
geology
petrology
planetary science
Juan Carlos Ramirez Dorronsoro
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Environmental engineering
Air pollution
Indoor air pollution
Gama Perruci
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Global Leadership
Leadership Education
International Politics
Ahmed Mohamed (Algarhy)
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Hydraulic Fracturing
Geomechanics
and Organic Shale Evaluation and Development
Todd A Comer
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
comics
film
disability
ecology
composition
Greg Delemeester
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
Michael Williams Sr
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Charles Doan
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
David Cress
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Cody M Clemens
Marietta College
Marietta, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
health communication
organizational communication
gender
qualitative research methods