Parse this person name:

Massimo Carnera, 1920-1973, flourished 1939-1952
user
first_name: Massimo
last_name: Carnera
middle_names: []
temporal:
- start: 1920
  end: 1973
  type: life_span
- start: 1939
  end: 1952
  type: flourished
titles: []
extra_info: []
assistant