Parse this person name:

Torsten Flantz-Niemeier (1850-1895, flourished 1879-1890)
user
first_name: Torsten
last_name: Flantz-Niemeier
middle_names: []
temporal:
- start: 1850
  end: 1895
  type: life_span
- start: 1879
  end: 1890
  type: flourished
titles: []
extra_info: []
assistant