Parse this person name:

Hans-Günther Atzler, 1512-1578, flourished 1540-1569
user
first_name: Hans-Günther
last_name: Atzler
middle_names: []
temporal:
- start: 1512
  end: 1578
  type: life_span
- start: 1540
  end: 1569
  type: flourished
titles: []
extra_info: []
assistant