Parse this person name:

Arne Gertz, 1843-1897, flourished 1872-1890
user
first_name: Arne
last_name: Gertz
middle_names: []
temporal:
- start: 1843
  end: 1897
  type: life_span
- start: 1872
  end: 1890
  type: flourished
titles: []
extra_info: []
assistant