Parse this person name:

Bernard Berthelot, 1518-1579, flourished 1547-1574
user
first_name: Bernard
last_name: Berthelot
middle_names: []
temporal:
- start: 1518
  end: 1579
  type: life_span
- start: 1547
  end: 1574
  type: flourished
titles: []
extra_info: []
assistant