Parse this person name:

Christopher Anderson, 1898-1944, flourished 1922-1939
user
first_name: Christopher
last_name: Anderson
middle_names: []
temporal:
- start: 1898
  end: 1944
  type: life_span
- start: 1922
  end: 1939
  type: flourished
titles: []
extra_info: []
assistant