Parse this person name:

Heinz-Walter Flantz (1497-1570, flourished 1518-1534)
user
first_name: Heinz-Walter
last_name: Flantz
middle_names: []
temporal:
- start: 1497
  end: 1570
  type: life_span
- start: 1518
  end: 1534
  type: flourished
titles: []
extra_info: []
assistant