Parse this person name:

Christopher Clark (1414-1489, flourished 1434-1453)
user
first_name: Christopher
last_name: Clark
middle_names: []
temporal:
- start: 1414
  end: 1489
  type: life_span
- start: 1434
  end: 1453
  type: flourished
titles: []
extra_info: []
assistant