Parse this person name:

Jozef Liebelt, 1923-1978, flourished 1943-1954
user
first_name: Jozef
last_name: Liebelt
middle_names: []
temporal:
- start: 1923
  end: 1978
  type: life_span
- start: 1943
  end: 1954
  type: flourished
titles: []
extra_info: []
assistant