| Bio | Mark Rafailovich Rein (1909–1937?) was a socialist journalist and member of Neu Beginnen who disappeared in Barcelona during the Spanish Civil War. His father was the Menshevik leader Raphael Abramovitch Rein. His disappearance remains a mystery.2 |
|---|---|
| Born | c. 19091 |
| Died | c. 19371 |
| Occupation | journalist1 |
| Cause of death | homicide, homicide2 |
| Status | Possible: Mark Rein may be a 27 Club member |
