Parse this person name:

Bjorn Slingerland (1896-1967, flourished 1921-1950)
user
first_name: Bjorn
last_name: Slingerland
middle_names: []
temporal:
- start: 1896
  end: 1967
  type: life_span
- start: 1921
  end: 1950
  type: flourished
titles: []
extra_info: []
assistant