Parse this person name:

Dariusz Zahn (1935-1999, flourished 1956-1967)
user
first_name: Dariusz
last_name: Zahn
middle_names: []
temporal:
- start: 1935
  end: 1999
  type: life_span
- start: 1956
  end: 1967
  type: flourished
titles: []
extra_info: []
assistant