Parse this person name:

Stephen Jones (1913-1971, flourished 1940-1952)
user
first_name: Stephen
last_name: Jones
middle_names: []
temporal:
- start: 1913
  end: 1971
  type: life_span
- start: 1940
  end: 1952
  type: flourished
titles: []
extra_info: []
assistant