Parse this person name:

Henny Krein, 1896-1964, flourished 1923-1933
user
first_name: Henny
last_name: Krein
middle_names: []
temporal:
- start: 1896
  end: 1964
  type: life_span
- start: 1923
  end: 1933
  type: flourished
titles: []
extra_info: []
assistant