Radu Lupu | Radu Albot | Radu Paisie | Radu Mihăileanu | Radu Berceanu | Radu Filipescu | Radu Varia | Radu Negru | Radu Mihnea | Radu II of Wallachia | Radu Gioan Bey | Radu Florescu | Radu cel Frumos | Radu Aldulescu |
His letter of recommendation was signed by eighteen notable academicians, including Ion Nistor, Alexandru Lapedatu, Dimitrie Pompeiu, Gheorghe Spacu, Emil Racoviţă, Iorgu Iordan, Constantin Ion Parhon, Nicolae Bănescu, Constantin Rădulescu-Motru, Ştefan Ciobanu, Radu R. Rosetti, and Silviu Dragomir.