Petro Stojan | |
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| Born | Пётр Евстафьевич Стоян June 22, 1884 |
| Died | May 3, 1961 (aged 76) Nice, France |
| Alma mater | Richelieu Lyceum (today's Odesa University) |
| Occupation(s) | Esperantist, bibliographer, lexicographer |
Petro Evstaf'evic Stojan (Russian: Пётр Евстафьевич Стоян, also known by the pseudonyms Ribaulb, Radovich and Šulerc) (June 22, 1884 in Izmail, Bessarabia — May 3, 1961 in Nice) was a Russian esperantist, bibliographer and lexicographer and a member of the Esperanto Language Committee (Lingva Komitato) from 1914.