Parse this person name:

Milena Eigenwillig (1936-2006, flourished 1966-1991)
user
first_name: Milena
last_name: Eigenwillig
middle_names: []
temporal:
- start: 1936
  end: 2006
  type: life_span
- start: 1966
  end: 1991
  type: flourished
titles: []
extra_info: []
assistant