Parse this person name:

Gérard Allain (1414-1485, flourished 1438-1454)
user
first_name: Gérard
last_name: Allain
middle_names: []
temporal:
- start: 1414
  end: 1485
  type: life_span
- start: 1438
  end: 1454
  type: flourished
titles: []
extra_info: []
assistant