Parse this person name:

Jack Harris (1891-1948, flourished 1908-1918)
user
first_name: Jack
last_name: Harris
middle_names: []
temporal:
- start: 1891
  end: 1948
  type: life_span
- start: 1908
  end: 1918
  type: flourished
titles: []
extra_info: []
assistant