Parse this person name:

Heinz-Georg Atzler (1285-1359, flourished 1306-1328)
user
first_name: Heinz-Georg
last_name: Atzler
middle_names: []
temporal:
- start: 1285
  end: 1359
  type: life_span
- start: 1306
  end: 1328
  type: flourished
titles: []
extra_info: []
assistant