Founder
Gießner or Giessner is the family name of the following people:
- Erich Gießner (1909–1995), German politician (SPD), MdA Berlin
- Friedrich Giessner (1898–1976), German politician (KPD, SED)
- Joachim Gießner (1913–2003), German Esperantist
- Peter Gießner (1941-2003), German footballer
