Parse this person name:

Paul-Gerhard Beer (1402-1459, flourished 1428-1442)
user
first_name: Paul-Gerhard
last_name: Beer
middle_names: []
temporal:
- start: 1402
  end: 1459
  type: life_span
- start: 1428
  end: 1442
  type: flourished
titles: []
extra_info: []
assistant