Parse this person name:

Douglas Hart (1241-1292, flourished 1258-1274)
user
first_name: Douglas
last_name: Hart
middle_names: []
temporal:
- start: 1241
  end: 1292
  type: life_span
- start: 1258
  end: 1274
  type: flourished
titles: []
extra_info: []
assistant