There are 4 mathematicians whose last name begin with RATK.
| Ratkiewicz, Bogusław | Uniwersytet im. Adama Mickiewicza w Poznaniu | 2011 |
| Ratkovic, Kruna | Université de Nice-Sophia Antipolis | 2012 |
| Ratkovic, Marc | University of Wisconsin-Madison | 2011 |
| Ratkovich, Thomas | University of Alabama-Tuscaloosa | 2000 |