Parse this person name:

Marcel Valentin, 1732-1777, flourished 1760-1772
user
first_name: Marcel
last_name: Valentin
middle_names: []
temporal:
- start: 1732
  end: 1777
  type: life_span
- start: 1760
  end: 1772
  type: flourished
titles: []
extra_info: []
assistant