Johannes Holzmann
Johannes Holzmann | |
|---|---|
| Born | 30 October 1882 |
| Died | 28 April 1914 (aged 31) |
| Body discovered | Moscow, Russian Empire |
| Resting place | Weißensee |
| Other names | Senna Hoy |
| Criminal penalty | Fifteen years of hard labor |
Johannes Holzmann (30 October 1882 – 28 April 1914) was a German anarchist writer and activist who generally went by the pseudonym Senna Hoy.