Parse this person name:

Henryk Kranz, 1815-1876, flourished 1844-1868
user
first_name: Henryk
last_name: Kranz
middle_names: []
temporal:
- start: 1815
  end: 1876
  type: life_span
- start: 1844
  end: 1868
  type: flourished
titles: []
extra_info: []
assistant