Alexander Esenin-Volpin
| Alexander Esenin-Volpin | |
|---|---|
| Александр Сергеевич Есенин-Вольпин | |
| Born | Alexander Sergeyevich Esenin-Volpin May 12, 1924 | 
| Died | March 16, 2016 (aged 91) Boston, Massachusetts, U.S. | 
| Nationality | Russian | 
| Citizenship | Soviet Union, United States | 
| Alma mater | Moscow State University | 
| Occupation(s) | Soviet mathematician, human rights activist, dissident, poet | 
| Scientific career | |
| Fields | Mathematics | 
| Institutions | Boston University | 
Alexander Sergeyevich Esenin-Volpin (also written Ésénine-Volpine and Yessenin-Volpin in his French and English publications; Russian: Алекса́ндр Серге́евич Есе́нин-Во́льпин, IPA: [ɐlʲɪˈksandr sʲɪrˈɡʲejɪvʲɪtɕ jɪˈsʲenʲɪn ˈvolʲpʲɪn] ⓘ; May 12, 1924 – March 16, 2016) was a Russian-American poet and mathematician.
A dissident, political prisoner and a leader of the Soviet human rights movement, he spent a total of six years incarcerated and repressed by the Soviet authorities in psikhushkas and exile. In mathematics, he is known for his foundational role in ultrafinitism.