Q:Facts:   - death place: see disappearance    - known for: first for the purpose of mass murder suggested and experimented with using zyklon b gas    - caption: ss-hauptsturmführer karl fritzsch    - thumb|center|image size: 150px    - party: national socialist german workers ' party -lrb- nsdap -rrb-    - death date: 02 may 1945    - disappeared status: fate unknown    - spouse: franziska stich      - disappeared place: oslo , norway -lrb- ? -rrb-    - children: 3    - birth date: 10 july 1903    - name: karl fritzsch    - nationality: german    - image: karl_fritzsch_at_auschwitz . jpg    - birth place: nassengrub -lrb- mokřiny -rrb- , bohemia austria-hungary    - occupation: 40px '' ss-hauptsturmführer ''   Based on these bullet points, write a short biography describing the life of karl fritzsch .
A:
`` ss-hauptsturmführer '' -lrb- captain -rrb- karl fritzsch -lrb- 10 july 1903 - reported missing 2 may 1945 -rrb- , was a german concentration camp officer and deputy , who first suggested and experimented with using zyklon b gas for the purpose of mass murder .