Parse this person name:

Joseph Rivera (1917-1970, flourished 1945-1959)
user
first_name: Joseph
last_name: Rivera
middle_names: []
temporal:
- start: 1917
  end: 1970
  type: life_span
- start: 1945
  end: 1959
  type: flourished
titles: []
extra_info: []
assistant