Parse this person name:

William Vidal, 1815-1874, flourished 1837-1860
user
first_name: William
last_name: Vidal
middle_names: []
temporal:
- start: 1815
  end: 1874
  type: life_span
- start: 1837
  end: 1860
  type: flourished
titles: []
extra_info: []
assistant