Parse this person name:

Harold Griffin (1826-1873, flourished 1849-1868)
user
first_name: Harold
last_name: Griffin
middle_names: []
temporal:
- start: 1826
  end: 1873
  type: life_span
- start: 1849
  end: 1868
  type: flourished
titles: []
extra_info: []
assistant