Parse this person name:

Léon Roger (1554-1594, flourished 1575-1585)
user
first_name: Léon
last_name: Roger
middle_names: []
temporal:
- start: 1554
  end: 1594
  type: life_span
- start: 1575
  end: 1585
  type: flourished
titles: []
extra_info: []
assistant