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. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
![Andrew W Howard](https://cdn.adscientificindex.com/pictures/65/826308.jpg)
Extrasolar planets
SETI
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
384
355
0.924
![Douglas A Caldwell](https://cdn.adscientificindex.com/pictures/e2/4394575.jpg)
Astrophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
158
0.845
![Mark Showalter](/user/assets/images/profile/no-profile-photo.png)
astronomy
planetary science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
74
0.607
![Laurance Doyle](https://cdn.adscientificindex.com/pictures/a9/4385688.jpg)
quantum astronomy
animal communication & information theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
30
0.536
![Margaret Turnbull](https://cdn.adscientificindex.com/pictures/fd/4425528.jpg)
exoplanets
astrobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
31
0.816
![Jean Chiar](/user/assets/images/profile/no-profile-photo.png)
astrophysics
astrobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
20
0.526
![Savin Shynu Varghese](https://cdn.adscientificindex.com/pictures/cc/4772977.jpg)
Radio Astronomy
Astrophysics
Observational Astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Andrew W Howard
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
384
355
0.924
Douglas A Caldwell
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
158
0.845
Mark Showalter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
74
0.607
Laurance Doyle
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
30
0.536
quantum astronomy
animal communication & information theory
Margaret Turnbull
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
31
0.816
Jean Chiar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
20
0.526
Savin Shynu Varghese
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Radio Astronomy
Astrophysics
Observational Astronomy