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)
![J Christopher Gillam](https://cdn.adscientificindex.com/pictures/b4/939099.jpg)
Archaeology
Geographic Information Science
Migration
Prehistory
Lithics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
12
0.522
![Brent Woodfill](/user/assets/images/profile/no-profile-photo.png)
archaeology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
J Christopher Gillam
Winthrop University
Rock Hill, United States
![United States](/flags/us.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
12
0.522
Archaeology
Geographic Information Science
Migration
Prehistory
Lithics
Brent Woodfill
Winthrop University
Rock Hill, United States
![United States](/flags/us.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462