Parse this person name:

Fedor Loos (1414-1488, flourished 1437-1451)
user
first_name: Fedor
last_name: Loos
middle_names: []
temporal:
- start: 1414
  end: 1488
  type: life_span
- start: 1437
  end: 1451
  type: flourished
titles: []
extra_info: []
assistant