Parse this person name:

Leah van der Laar (1931-2004, flourished 1951-1972)
user
first_name: Leah
last_name: van der Laar
middle_names: []
temporal:
- start: 1931
  end: 2004
  type: life_span
- start: 1951
  end: 1972
  type: flourished
titles: []
extra_info: []
assistant