There are 3 mathematicians whose last name begin with ORP.
| Orphanides, Athanasios | Massachusetts Institute of Technology | 1990 | 
| Orponen, Pekka | Helsingin yliopisto | 1986 | 
| Orponen, Tuomas | Helsingin yliopisto | 2012 | 
There are 3 mathematicians whose last name begin with ORP.
| Orphanides, Athanasios | Massachusetts Institute of Technology | 1990 | 
| Orponen, Pekka | Helsingin yliopisto | 1986 | 
| Orponen, Tuomas | Helsingin yliopisto | 2012 |