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".
* Total i10 IndexRankings
Ranking Based On Selection :1
Exoplanet Atmospheres
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
88
0.917
* Total i10 IndexRankings
Ranking Based On Selection :2
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
64
0.842
* Total i10 IndexRankings
Ranking Based On Selection :3
Active Galaxies
Infrared
IR instrumentation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
34
0.850
* Total i10 IndexRankings
Ranking Based On Selection :4
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
18
0.750
* Total i10 IndexRankings
Ranking Based On Selection :5
Exoplanet Imaging
Instrumentation
Astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
Galaxy evolution
Large Scale Structure
Machine learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 IndexRankings
Ranking Based On Selection :7
globular clusters
interacting galaxies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :10
galaxy clusters
gravitational lensing
large scale structure
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
interstellar medium
dust
ice
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Nikolay Nikolov
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
88
0.917
Sangmo Tony Sohn
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
64
0.842
Marcio Melendez
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
34
0.850
Gregory R Brady
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
18
0.750
Ananya Sahoo
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
John F Wu
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Aparna Maybhate
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
Kornpob Bhirombhakdi
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Douglas Long
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Amanda Pagul
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Burcu Gunay
Space Telescope Science Institute
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000