Parse this person name:

Waltraut Herrmann (1420-1473, flourished 1436-1454)
user
first_name: Waltraut
last_name: Herrmann
middle_names: []
temporal:
- start: 1420
  end: 1473
  type: life_span
- start: 1436
  end: 1454
  type: flourished
titles: []
extra_info: []
assistant