| Personal data | |
|---|---|
| Surname | Leizer |
| Name | Iosif |
| Patronym | Efimovich |
| Birth year | 1900 |
| Sex | M |
Leizer (Leiser) Iosif Efimovich (1900 — ?) — tanner, partisan.
At the age of twelve Iosif Leizer began working in Riga. In 1912–19, he worked as a tanner for private business owners in Yaroslavl. In 1919–21, as a member of Golik’s partisan detachment, he took part in the fighting for Soviet power in Ukraine; in 1921 he suffered a concussion and was wounded.
In 1923–42, he worked as a tanner and later as deputy chairman and chairman of shoe-making artels in Berdyansk, the village of Osipenko (Ukrainian SSR), and the settlement of Ganyushkino (Kazakh SSR).