Parse this person name:

Guenther Werner (1370-1439, flourished 1385-1409)
user
first_name: Guenther
last_name: Werner
middle_names: []
temporal:
- start: 1370
  end: 1439
  type: life_span
- start: 1385
  end: 1409
  type: flourished
titles: []
extra_info: []
assistant