| Personal data | |
|---|---|
| Surname | Blumenthal |
| Name | Sara |
| Patronym | Hatzkelevna |
| Birth year | 1891 |
| Sex | F |
Blumenthal Sara Hatzkelevna (1891 - unknown) was a participant of the revolutionary movement from 1927 to 1940. An active member of the MOPR ( International Organisation for the Help to Revolutionary Prisoners), she kept illegal literature, raised funds, attracted new members, liaised with political prisoners.