Parse this person name:

Elfie Schaaf (1925-1998, flourished 1940-1953)
user
first_name: Elfie
last_name: Schaaf
middle_names: []
temporal:
- start: 1925
  end: 1998
  type: life_span
- start: 1940
  end: 1953
  type: flourished
titles: []
extra_info: []
assistant