Parse this person name:

Kunibert Bolnbach (1907-1963, flourished 1931-1958)
user
first_name: Kunibert
last_name: Bolnbach
middle_names: []
temporal:
- start: 1907
  end: 1963
  type: life_span
- start: 1931
  end: 1958
  type: flourished
titles: []
extra_info: []
assistant