Parse this person name:

Thoralf Wagenknecht, 1603-1647, flourished 1622-1636
user
first_name: Thoralf
last_name: Wagenknecht
middle_names: []
temporal:
- start: 1603
  end: 1647
  type: life_span
- start: 1622
  end: 1636
  type: flourished
titles: []
extra_info: []
assistant