Parse this person name:

Alf Schaaf, 1866-1918, flourished 1884-1902
user
first_name: Alf
last_name: Schaaf
middle_names: []
temporal:
- start: 1866
  end: 1918
  type: life_span
- start: 1884
  end: 1902
  type: flourished
titles: []
extra_info: []
assistant