Parse this person name:

Pierre Gros (1730-1773, flourished 1745-1759)
user
first_name: Pierre
last_name: Gros
middle_names: []
temporal:
- start: 1730
  end: 1773
  type: life_span
- start: 1745
  end: 1759
  type: flourished
titles: []
extra_info: []
assistant