Parse this person name:

Augustin Holsten, 1920-1990, flourished 1937-1966
user
first_name: Augustin
last_name: Holsten
middle_names: []
temporal:
- start: 1920
  end: 1990
  type: life_span
- start: 1937
  end: 1966
  type: flourished
titles: []
extra_info: []
assistant