Parse this person name:

Robert Pierce (1922-1995, flourished 1943-1964)
user
first_name: Robert
last_name: Pierce
middle_names: []
temporal:
- start: 1922
  end: 1995
  type: life_span
- start: 1943
  end: 1964
  type: flourished
titles: []
extra_info: []
assistant